83+9= 97-2= 44+8= 41+8= 86-7=
29-11= 16- 4= 85-3= 31+3= 67-4= 60+7= 51-5= 40+9= 36+9= 53-0= 30+8= 61-7= 65+4= 87+3= 53+3= 75+7= 40-7= 97-9= 51-1= 33+7= 77-5= 74+7= 55+3= 49-5= 11+2= 49-2= 57-2= 61-7= 19-7= 22-7= 38+1= 46+3= 41-2= 89-1= 89-24= 60+7= 12-6= 13+2= 84+4= 44-6= 96-6= 33-4= 62+8= 13+3= 93-6= 68+7= 59+6= 47-4= 54-2= 38-3= 88+0= 29- 8= 37-0= 14+6= 69-4= 40-3= 26-6= 14+4= 61+5= 66-0= 89+8= 16+2= 22+2= 12+6= 76+9= 16-3= 58+6= 55+5= 98-77= 17-6= 14+5= 16-2= 70-4= 93+6= 80-3= 32+9= 72-3= 73-4= 22-2= 95-4= 38-4= 20-6= 39-9= 93+6=
52-50= 17- 7= 24- 3= 18+20= 12+5= 16+30= 19-6= 12+6= 20-10= 28+6= 18- 5= 50-20= 15+80= 56-40= 17-( )=0 19-( )=13 16-( )=12 10+( )=50 87-6= 69+ 3= 4 +50= 18- 9= 24-10= 19-10= 15+ 4= 28+2= 28+7= 24+4= 29+10= 60-40= 70-50= 16+8= 88+ 2= 87-7= 16+ 4= 66-20= 17-10= 27-5= 65-30= 65+( )=70 16-6= 47- 6= 22- 9= 72- 2= 10+20= 98-80= 90-10= 29+1= 25+8= 19+40= 72-10= 17-8 = 50-30= 20+8= 66- 6= 80+9= 14+4= 99-6= 15-3= 18+( )=20 65+20= ( )-20=50 80-( )=0 59+10= 15+ 8= 49+ 7= 14+20= 25-4= 20+8= 25+20= 23-3= 17-2= 20+30= 90-40= 60+30= 50-50= 90-30= 18-4= 89-80= 66-10= 80+4= 14+( )=27 24+40= 40+( )=60 75-7= 28+ 9= 8 +12= 27+50= 31-4= 99-20= 25+ 3= 26-10= 12+10= 18-8= 99-90= 16+50= 12+6= 19-8= 65-7= 13+8= 14+6= 19+60= 26-7= 67-5= 8+( )=16 20+( )=30 30+30= 73+ 6= 9 + 6= 59- 6= 82- 1= 50+25= 9 +43= 29-13= 90+10= 30+16= 10+16= 10-4= 83-10= 87-10= 83-10= 22+40= 82- 5= 23+ 6= 26+( )=66 60-16= 66+6= 94-90= 93-90= 21+45= 88-69= 16+74= 25- 5= 60+13= 12+10= 60-15= 20-13= 80-18= 26+ 3= 99+ 1= 50+50= 77-10= 26+ 8= 34+ 2= 100-( )=80 55+ 3= 86+9= 16+( )=56 74-5= 71-43= 44+17= 97-23= 75-33= 75+11= 64+ 5= 40+13= 80-20= 12- 7= 80-16= 60-12= 67- 7= 20-13= 29-10= 99-60= 70+20= 13- 8= 23-( )=18 34+ 2= 66+5= 41-( )=30 69-10= 72-67= 7-4= 18+76= 67+30= 73+9= 89- 4= 80-12= 60-15= 10+19= 40-13= 50-12= 98-10= 39+ 2= 68+ 5= 33+10= 56+ 6= 23- 4= 44+( )=60 47-30= 24+9= 86-12= 69+( )=80 89-30= 100-84= 100-78= 36+30= 96-39= 19- 6= 21- 5= 30-16= 16-10= 20-11= 90-17= 29-10= 30+12= 30+70= 16+ 3= 60-20= 82- 6= 70-( )=20 21+ 7= 9 +54= 73-44= 44-6= 69+3= 18+39= 91-52= 7-1= 100-99= 16+76= 42+13= 26+27= 75-71= 72+13= 94-5= 71-7= 77-5= 78-9= 45-42= 100-40= 81-9= 29-14= 80-43= 50+13= 7+81= 75-56= 72-60= 86-34= 38-28= 62-40= 100-84= 82-1= 52+8= 91-57= 46+40= 8-8= 37-10= 80+19= 50-27= 81-36= 77+2= 79-26= 63+23= 67-53= 36-8= 45-24= 99-90= 55+27= 73+6= 21+64= 44-34= 29-7= 82-12= 56-26= 72-37= 8+80= 39+42= 94-7= 88-78= 39+49= 56+25= 13+53= 54+39= 67+19= 51-40= 45+16= 7-3= 27+37= 51+25= 61+38= 59-11= 12+61= 62-46= 55-50= 23+74= 39+28= 6+78= 86-83= 29+36= 50-22= 8+69= 26+48= 47+36= 78-8= 小学一年级数学(下)口算题(四)
82-15= 62+4= 41+44= 34+41= 4+70= 73-10= 51-40= 81-2= 35+17= 49-43= 31+67= 78+14= 2-2= 16+38= 98-2= 48-25= 87+10= 83-54= 31+20= 39+28= 49-21= 40+42= 93-40= 58-27= 57+9= 68-16= 96-9= 70-44= 26+35= 40-18= 80-9= 79-15= 89-68= 38-26= 73+1= 90-47= 42+12= 61+17= 59-9= 49+6= 61-14= 57-55= 46-17= 51-25= 84-11= 51-50= 98-16= 28-18= 88-28= 32+53= 8+63= 99-67= 15+72= 79+6= 35-12= 3+83= 87+11= 33+54= 99-80= 58+27= 96-26= 6+86= 45+9= 16+48= 71+4= 80-19= 45-33= 50-16= 18-7= 91-29= 43+27= 64-46= 37+45= 87+12= 47-23= 67-10= 31+67= 37+25= 64+21= 27-5= 55+11= 31+24= 23+67= 77-52= 7+83= 43-6= 85-44= 28-26= 99-61= 76-3= 67-41= 73+14= 61-49= 37+14= 43-21= 49+18= 34-18= 82-77= 92-32= 19+49= 小学一年级数学(下)口算题(五)
44+51= 51+41= 74+3= 50-24= 13+43= 23-8= 64+10= 10+64= 33+32= 27+51= 48+45= 5+46= 25+75= 66-10= 12+70= 78+8= 63-39= 13-6= 99-68= 29-22= 29+56= 50-46= 59+2= 11+81= 74-29= 80-57= 97-27= 71-37= 29+40= 97-16= 16+38= 47-8= 75-38= 43+7= 14+46= 2+74= 94 - 90= 42+43= 71 - 43= 89-34= 72 - 67= 16+52= 89 - 30= 67-44= 69 + 3= 60-25= 14+70= 10+88= 75-31= 67-2= 58+28= 59-39= 49+32= 38-16= 56+17= 61+14= 7+69= 29-12= 76-64= 52+15= 2+95= 14+47= 58-24= 31-29= 28-22= 83-31= 100-67= 39+44= 34-2= 31+44= 95-30= 39-24= 79-10= 36-6= 70-69= 95-89= 20+75= 63-22= 64-9= 35-28= 63-45= 15+83= 31+52= 40-12= 54+20= 46+5= 68+21= 80+20= 51+10= 47+50= 44+51= 36-20= 44+23= 65-31= 98-98= 36-7= 10+88= 37-31= 57+6= 1+82= 11+63= 81-35= 43+24= 31-26= 47-41= 93 - 90= 97 - 23= 75 - 33= 16 + 74= 16 + 76= 86 - 83= 29 + 36= 100 - 40= 8 + 69= 26 + 48= 47 + 36= 50 - 27= 59 - 11= 12 + 61= 75 - 71= 55 - 50= 23 + 74= 100 - 84= 6 + 78= 44 + 17= 21 + 45= 67 + 30= 75 + 11= 7 + 81= 54 + 39= 45 - 42= 46 + 40= 81 - 9= 7 - 3= 27 + 37= 56 - 26= 42 + 13= 39 + 42= 86 - 34= 88 - 78= 39 + 49= 45 - 24= 77 - 5= 7 - 4= 91 - 52= 36 + 30= 73 + 9= 81 - 36= 55 + 27= 67 + 19= 21 + 64= 8 - 8= 29 - 7= 80 - 43= 51 + 25= 75 - 56= 79 - 26= 63 + 23= 67 - 53= 36 - 8= 56 + 25= 82 - 1= 18 + 39= 100 - 78= 7 - 1= 96 - 39= 72 - 37= 52 + 8= 73 + 6= 51 - 40= 44 - 34= 37 - 10= 82 - 12= 78 - 8= 77 + 2= 72 - 60= 94 - 7= 38 - 28= 62 - 40= 71 - 7= 99 - 90= 100 - 84= 18 + 76= 88 - 69= 100 - 99= 61 + 38= 78 - 9= 91 - 57= 50 - 22= 45 + 16= 29 - 14= 80 + 19= 50 + 13= 8 + 80= 26 + 27= 62 - 46= 72 + 13= 94 - 5= 39 + 28= 13 + 53= 小学一年级数学(下)口算题(六) 小学一年级数学(下)口算题(七)
82 - 15= 51 - 40= 12 - 3= 31 + 20= 57 + 9= 68 - 16= 41 + 44= 34 + 41= 40 - 18= 4 + 70= 80 - 9= 79 - 15= 89 - 68= 38 - 26= 90 - 47= 67 - 41= 61 - 49= 37 + 14= 43 - 21= 49 + 18= 34 - 18= 57 - 55= 46 - 17= 33 + 54= 62 + 4= 35 + 17= 70 - 44= 73 - 10= 26 + 35= 85 - 44= 28 - 26= 99 - 61= 76 - 3= 32 + 53= 73 + 1= 42 + 12= 61 + 17= 59 - 9= 49 + 6= 61 - 14= 82 - 77= 92 - 32= 51 - 25= 81 - 2= 98 - 2= 40 + 42= 78 + 14= 93 - 40= 37 + 45= 87 + 12= 47 - 23= 67 - 10= 16 + 48= 88 - 28= 8 + 63= 99 - 67= 15 + 72= 79 + 6= 35 - 12= 77 - 52= 7 + 83= 64 - 46= 16 + 38= 49 - 21= 48 - 25= 83 - 54= 87 + 10= 99 - 80= 58 + 27= 96 - 26= 6 + 86= 37 + 25= 45 + 9= 71 + 4= 80 - 19= 45 - 33= 50 - 16= 18 - 7= 91 - 29= 43 + 27= 43 - 6= 39 + 28= 96 - 9= 49 - 43= 58 - 27= 31 + 67= 84 - 11= 51 - 50= 98 - 16= 28 - 18= 73 + 14= 31 + 67= 64 + 21= 27 - 5= 55 + 11= 31 + 24= 23 + 67= 3 + 83= 87 + 11= 19 + 49= 小学一年级数学(下)口算题(八)
29 + 40= 97 - 16= 44 + 51= 51 + 41= 10 + 64= 33 + 32= 12 + 70= 78 + 8= 50 - 46= 59 + 2= 74 + 3= 50 - 24= 13 + 43= 23 - 8= 14 + 46= 67 - 44= 60 - 25= 14 + 70= 58 + 28= 36 - 7= 75 - 31= 67 - 2= 1 + 82= 28 - 22= 38 - 16= 56 + 17= 39 + 44= 7 + 69= 11 + 81= 47 - 8= 75 - 38= 43 + 7= 66 - 10= 2 + 74= 65 - 31= 98 - 98= 57 + 6= 10 + 88= 10 + 88= 37 - 31= 59 - 39= 49 + 32= 81 - 35= 100 - 67= 61 + 14= 34 - 2= 63 - 39= 74 - 29= 80 - 57= 25 + 75= 64 + 10= 42 + 43= 15 + 83= 31 + 52= 70 - 69= 52 + 15= 54 + 20= 46 + 5= 31 - 29= 11 + 63= 47 + 50= 64 - 9= 31 - 26= 63 - 45= 27 + 51= 13 - 6= 99 - 68= 29 - 22= 29 + 56= 89 - 34= 31 + 44= 95 - 30= 68 + 21= 39 - 24= 79 - 10= 36 - 6= 95 - 89= 51 + 10= 63 - 22= 44 + 51= 36 - 20= 44 + 23= 16 + 38= 48 + 45= 5 + 46= 97 - 27= 71 - 37= 16 + 52= 29 - 12= 76 - 64= 58 - 24= 40 - 12= 2 + 95= 14 + 47= 80 + 20= 20 + 75= 83 - 31= 43 + 24= 35 - 28= 47 - 41= 小学一年级数学(下)口算题(九)
54 + 21= 39 - 20= 72 - 48= 95 - 89= 46 + 6= 50 - 3= 34 + 40= 4 + 49= 39 + 29= 21 + 52= 100 - 34= 22 + 60= 6 + 78= 55 - 28= 100 - 86= 52 - 44= 27 + 32= 95 - 71= 69 - 25= 14 + 41= 80 + 7= 95 - 83= 35 + 31= 25 + 52= 5 + 68= 15 - 14= 7 + 55= 31 + 65= 73 + 26= 49 + 51= 95 - 92= 72 - 16= 78 + 20= 83 - 65= 99 - 12= 96 - 80= 53 + 25= 83 - 69= 5 + 77= 49 + 13= 65 + 1= 38 - 11= 32 + 45= 31 + 50= 34 + 23= 99 - 41= 80 - 11= 46 + 49= 13 + 55= 69 + 25= 23 + 44= 47 + 25= 65 + 31= 30 + 47= 11 + 81= 80 + 15= 36 + 64= 97 - 40= 46 - 37= 95 - 44= 46 + 11= 91 - 45= 46 + 44= 1 + 59= 7 + 83= 98 - 43= 22 + 33= 61 - 8= 58 + 40= 46 + 19= 48 + 29= 39 + 59= 47 - 20= 69 - 23= 85 - 39= 5 + 72= 53 + 27= 28 + 41= 56 + 4= 87 - 53= 2 + 96= 66 + 8= 40 + 59= 59 + 30= 38 + 32= 99 - 30= 14 + 49= 50 - 45= 46 + 19= 37 + 62= 48 - 42= 43 - 33= 78 - 30= 75 + 6= 24 - 13= 7 + 77= 1 + 80= 49 - 10= 21 + 42= 45 - 24= 小学一年级数学(下)口算题(十)
8 + 54= 83 + 2= 67 + 7= 30 - 26= 25 + 43= 74 - 53= 34 + 63= 88 - 68= 20 - 1= 46 + 14= 36 + 60= 94 - 23= 92 - 69= 18 + 63= 27 + 56= 36 - 12= 13 + 62= 81 + 12= 2 + 74= 10 + 63= 88 - 34= 63+13= 67 + 23= 53+11= 73 - 63= 24+76= 57 - 35= 6+83= 44 + 34= 74-12= 25 + 44= 52 - 1= 94 - 65= 31 + 21= 27 - 13= 24 + 40= 98 - 30= 95 - 46= 68 + 12= 91 - 56= 85 - 10= 76 + 4= 76 - 75= 38 + 21= 47 + 4= 34 - 18= 63 - 52= 9 + 69= 18 + 64= 61 + 17= 87 - 83= 71 - 37= 96 + 1= 94 - 89= 66 - 25= 13 + 86= 93 - 40= 71 - 15= 42 + 30= 87 - 55= 23 - 17= 68 - 41= 21 + 52= 59 - 27= 66 - 46= 42 - 2= 74 + 16= 91 + 9= 25 - 5= 34 - 4= 22 + 64= 43 + 23= 87 - 50= 39 + 46= 79 - 56= 16 + 72= 23 - 14= 22 - 3= 88 - 7= 22 + 70= 56 + 13= 15 + 78= 60 + 16= 91 - 2= 71 + 3= 2 + 90= 96 - 61= 6 + 86= 64 - 5= 7 + 93= 5 + 63= 70 - 34= 23 + 47= 25 + 28= 49 + 40= 2 + 76= 5 + 92= 55 - 51= 52 + 42= 66 - 55= 43 + 38= 77 + 5= 17 - 15= 13 + 83= 60 + 4= 87-68= 28+27= 79-62= 95-26= 70-53= 12+67= 71-15= 96-40= 88-2= 63-39= 46+12= 98-78= 45+29= 85+5= 21+75= 64-61= 26+64= 78-10= 92-14= 31-17= 52-47= 37+45= 3+84= 31+61= 57+15= 91-22= 67-28= 28+24= 70-56= 4+57= 90-14= 17-14= 29-15= 7+57= 69+25= 76+24= 66-22= 87-82= 7+77= 19-7= 82-32= 53+23= 42+54= 5+48= 25+34= 31+48= 47+22= 90-71= 6+61= 82+18= 94-27= 24-16= 66-37= 13+55= 7+57= 6+86= 53+11= 52+7= 25+75= 92-89= 63-45= 35+47= 89-23= 92-55= 74+22= 41+33= 43+46= 68+14= 47+6= 8+42= 23+39= 75-28= 88-61= 85-74= 80-36= 87-6= 26+64= 75-62= 28-15= 33+66= 31-24= 51-24= 31+69= 12+52= 12+49= 95-87= 78-38= 29-3= 92-53= 18+62= 45+7= 72-24= 99-4= 47+31= 95-93= 小学一年级数学(下)口算题(十一) 小学一年级数学(下)口算题(十二)
6+93= 93-60= 94-53= 37+13= 93-88= 69-24= 50+45= 20+60= 58-26= 99-90= 81-2= 16+38= 81-63= 17-6= 100-45= 39+41= 55+39= 68+23= 44+28= 17+44= 63+31= 2+84= 85-27= 21+60= 75-74= 46-11= 25+65= 13+53= 51-40= 2-2= 35+17= 44+27= 17+54= 10-7= 51+26= 73-7= 50+18= 66+5= 56-21= 16+82= 45+21= 51+4= 47-23= 90-16= 66-39= 55-31= 75+24= 82-15= 31+20= 41+44= 71+20= 51+26= 81-63= 17+54= 58-45= 95-73= 31-13= 10+77= 24+41= 48+44= 80-79= 60-3= 33+27= 8+63= 57+12= 67-26= 77-5= 57+9= 68-16= 39+41= 73-7= 68+23= 44+27= 17-6= 35-27= 86-56= 25-13= 79-28= 23+69= 8+56= 41-36= 65-31= 8+57= 5+80= 26+70= 82-1= 62+4= 39+28= 10-7= 58-45= 55+39= 71+20= 100-45= 52-49= 17-5= 32+35= 27-1= 45+21= 61-34= 42+47= 小学一年级数学(下)口算题(十三)
79-36= 78-42= 88-18= 69+14= 30-20= 99-46= 98-71= 70+16= 47-37= 65+5= 87-70= 28+26= 20+74= 75-29= 63-48= 58-54= 25+33= 72+18= 32-24= 67-4= 64+28= 78-11= 27+70= 51+16= 4+55= 19+38= 64+31= 99-64= 62-48= 9+73= 93-20= 36+27= 20+56= 79-67= 20-5= 90-9= 95-58= 84-22= 68+17= 59+1= 37+48= 28+63= 96-33= 57+25= 50+22= 16+79= 79+4= 79-76= 66+5= 79-59= 53-17= 35+50= 8-2= 52+27= 19+66= 44-44= 87-28= 63+24= 4+55= 57+25= 64+31= 28+63= 7+54= 97-73= 42-11= 21+41= 85+1= 4+96= 32-26= 93-59= 19+44= 81+8= 14-9= 73+26= 58-18= 95-38= 19+38= 50+22= 16+79= 27+70= 51+16= 80-38= 70+3= 44-29= 91-11= 29+35= 10+58= 22+50= 51+29= 24+40= 42+27= 60+22= 56-47= 40-33= 65-13= 7+54= 37+48= 65-13= 96-33= 63-46= 小学一年级数学(下)口算题(十四)
45-6= 14-8= 37+39= 97-93= 96-73= 34+36= 85+11= 47-24= 81-48= 100-88= 92-82= 63-47= 58+12= 62+26= 18-9= 14+82= 55-20= 21+46= 37-16= 53-42= 58-42= 88-45= 23+60= 17+42= 72-13= 46+39= 16+52= 25-12= 35-33= 16+63= 51-2= 62-41= 8+59= 16+68= 41+54= 60+13= 82-48= 74+8= 49-38= 88-72= 15+66= 92-7= 14+75= 24-21= 39+50= 93-53= 50-1= 16+57= 98-27= 31+30= 8+58= 30+56= 62+10= 7+48= 100-58= 31+42= 38-12= 88+9= 54-50= 53+25= 79+8= 87+8= 55-16= 41-2= 10+89= 83-44= 13+41= 51+32= 72-51= 34+39= 85-42= 90-64= 81-35= 55-48= 63+5= 51+18= 38+22= 56-2= 47-40= 39+50= 11+87= 87-31= 17+68= 63-60= 29+21= 80-78= 77-57= 9+58= 87-36= 54+13= 73+26= 46+33= 70+17= 77+2= 53+29= 87-74= 99-57= 31+68= 90-65= 61-36= 小学一年级数学(下)口算题(十五)
67-66= 67-36= 42+55= 77+7= 42+55= 16+72= 51+17= 20+43= 77+7= 20+43= 88-25= 16+72= 97-78= 29+49= 99-87= 75-37= 75-37= 45+44= 67-66= 97-78= 88-25= 37+33= 29+49= 58-5= 45+44= 80+16= 67-36= 99-34= 51+17= 28+65= 18+73= 55+44= 53-10= 51+44= 21+68= 81-31= 50-30= 53+41= 89-9= 3+71= 83-56= 70-65= 100-83= 81+9= 27+43= 99-87= 56+14= 98-55= 75-25= 20+69= 64+34= 39+59= 57+3= 36-5= 53+13= 77+14= 30+63= 49-44= 73-37= 29+24= 67-11= 16+45= 50-3= 99-43= 9+50= 2+49= 77-71= 80-70= 69+19= 77+15= 88-15= 61+36= 31-8= 67+17= 79-10= 39-34= 75+10= 25+73= 24-1= 34+54= 4+61= 33+66= 21-14= 60-28= 26-3= 25-24= 64-16= 68+23= 91-51= 73-61= 86-54= 15+72= 63-32= 94+3= 29-16= 29-5= 20+38= 78-40= 74-46= 23+46= 90-21= 99-16= 50+33= 59-38= 24-8= 80-46= 71-68= 67+2= 80-16= 93-70= 3+61= 33-14= 64-17= 13-7= 65+17= 27+49= 16+75= 16+36= 93-87= 76+11= 94-48= 19-5= 69+6= 54-30= 35-12= 44-26= 75-43= 27+54= 49-2= 65+17= 51+19= 51+25= 65-61= 59+40= 6+81= 52-48= 5+50= 29+41= 93-57= 56-40= 54-19= 53+47= 79-73= 82-74= 45+13= 25+35= 72-35= 91+8= 51+25= 4+81= 65+17= 5+74= 4+81= 31-18= 71-66= 71-11= 77-21= 52+30= 59-8= 34-25= 69-25= 16+50= 91-60= 94-40= 39-11= 63+6= 72-17= 65-65= 59+40= 27+49= 3+61= 51+19= 65-18= 20+63= 92-43= 3+47= 79-8= 3+91= 35+38= 97-55= 20+78= 53-29= 92-2= 12+62= 85-28= 12+81= 5+74= 13-7= 65+17= 33-14= 64-17= 25+52= 50-14= 79-35= 24-20= 10+69= 58+18= 93-26= 72+12= 62+26= 小学一年级数学(下)口算题(十六) 小学一年级数学(下)口算题(十七)
17+73= 97-70= 76+23= 60-53= 80-75= 53+33= 32-15= 60+3= 28+69= 100-94= 63-35= 12-7= 66-46= 10+69= 45+30= 17+42= 38-17= 51-30= 87-55= 17+68= 36-11= 46+52= 30+58= 63+18= 47-11= 70+18= 37-20= 79-34= 50+1= 76+18= 3+73= 60-25= 90-46= 88+12= 63-29= 60-13= 50-44= 82-54= 73+8= 14+55= 82+10= 39+51= 88-2= 88-88= 52+12= 88-15= 41+56= 27+30= 71+14= 57-55= 88-27= 45-3= 88-12= 82-46= 100-21= 11-2= 99-23= 48-11= 91-74= 57+36= 33+56= 97-23= 54+13= 59-7= 58+21= 41-19= 30+28= 38-37= 93-43= 55-14= 100-9= 35-6= 67+33= 39+47= 15+43= 50+22= 48+44= 39+17= 59+11= 71-4= 30+47= 94-24= 56+7= 49-4= 96-54= 41-28= 77+6= 1+83= 31-15= 61-50= 85+11= 59+4= 97-9= 100-79= 51+45= 85-23= 50-7= 21+74= 28-13= 70-18= 小学一年级数学(下)口算题(十八)
72-11= 51+49= 47+16= 38+52= 81-52= 29+61= 100-33= 24+74= 61+2= 10+85= 70+16= 20+38= 52+3= 70+2= 9+43= 69+7= 36+23= 32+54= 63+6= 48-42= 38-26= 73+1= 90-47= 91-74= 25+8= 47+50= 62-40= 55+9= 38-19= 64+14= 4+96= 13+86= 34+46= 64-9= 24+70= 61-14= 18+80= 16+74= 28-18= 88-28= 73+14= 36+7= 58-30= 46-9= 99-32= 17+46= 57-24= 36-22= 37-7= 79+13= 29+57= 55+6= 71-39= 2+80= 58-39= 6+86= 45+9= 37+25= 59+2= 97-60= 43-( )=37 34+58= 96-22= 55+17= 79+6= 95-62= 48+25= 35-24= 20+40= 44+25= 50+17= 72-61= 67-10= 31+67= 16+48= 50+16= 65-7= 75-( )=15 32+57= 93-38= 71+28= 26-8= 21+79= 4+73= 35-18= 85-17= 90-2= 23+46= 99-61= 76-3= 67-41= 32+53= 39+7= 82-5= ( )-5=21 20以内退位减法(1)
11-7= 13-5= 14-9= 12-8= 11-9= 12-9= 12-7= 11-3= 12-3= 16-7= 15-6= 13-9= 17-9= 14-8= 15-9= 17-8= 13-8= 12-6= 14-7= 11-6= 14-6= 11-4= 11-2= 13-4= 13-6= 13-7= 11-5= 13-8= 13-7= 12-3= 12-3= 14-6= 13-8= 11-7= 13-7= 11-9= 13-6= 17-9= 11-5= 13-7= 11-5= 14-9= 14-6= 12-3= 12-4= 11-8= 12-5= 14-5= 15-7= 18-9= 15-8= 16-9= 16-8= 12-6= 14-7= 11-6= 14-5= 15-7= 18-9= 16-7= 15-6= 13-9=
20以内退位减法(2)
16-7= 15-6= 13-9= 11-4= 11-2= 13-4= 12-6= 14-7= 11-6= 13-5= 14-9= 12-8= 14-5= 15-7= 18-9= 12-9= 12-7= 11-3= 12-4= 11-8= 12-5= 14-8= 15-9= 17-8= 15-8= 16-9= 16-8= 14-5= 15-7= 18-9= 17-9= 15-9= 11-3= 12-9= 12-7= 14-7=
20以内退位减法(3)
11-4= 11-2= 13-4= 16-7= 15-6= 13-9=
13-8= 12-6= 14-7= 11-6= 17-9= 14-8= 15-9= 17-8= 11-5= 15-8= 16-9= 16-8= 11-9= 12-9= 12-7= 11-3= 13-7= 14-5= 15-7= 18-9= 11-7= 13-5= 14-9= 12-8= 13-6= 12-4= 11-8= 12-5= 13-8= 12-6= 14-7= 12-3= 16-7= 15-6= 11-5= 15-8= 16-9= 20以内退位减法(4)
11-9= 12-9= 12-7= 14-6= 11-4= 11-2= 11-5= 15-8= 16-9= 13-6= 12-4= 11-8= 17-9= 14-8= 15-9= 13-7= 14-5= 15-7= 12-3= 16-7= 15-6= 13-8= 12-6= 14-7= 11-7= 13-5= 14-9= 11-9= 12-9= 12-7= 13-7= 14-5= 15-7= 13-6= 12-4= 11-8= 20以内退位减法(5)
11-5= 15-8= 16-9= 17-9= 14-8= 15-9= 13-6= 12-4= 11-8= 12-3= 16-7= 15-6= 11-9= 12-9= 12-7= 11-6= 13-9= 16-8=
11-3= 13-4= 16-8= 12-5= 17-8= 18-9= 13-9= 11-6= 12-8= 11-3= 18-9= 12-5=
16-8= 17-8= 12-5= 13-9= 11-3=
13-8= 12-6= 14-7= 11-6= 11-7= 13-5= 14-9= 12-8= 14-6= 11-4= 11-2= 13-4= 13-7= 14-5= 15-7= 18-9= 11-7= 13-5= 14-9= 12-8= 13-8= 12-6= 14-7= 11-6= 12-3= 16-7= 15-6= 13-9=
20以内退位减法(6)
17-9= 14-8= 15-9= 11-5= 15-8= 16-9= 13-8= 12-6= 14-7= 11-7= 13-5= 14-9= 14-6= 11-4= 11-2= 13-7= 14-5= 15-7= 12-3= 16-7= 15-6= 11-9= 12-9= 12-7= 13-6= 12-4= 11-8= 12-3= 16-7= 15-6= 14-6= 11-4= 11-2= 13-8= 12-6= 14-7= 20以内退位减法(7)
11-9= 12-9= 12-7= 12-3= 16-7= 15-6= 13-6= 12-4= 11-8= 11-5= 15-8= 16-9= 12-6= 13-8= 14-7= 17-9= 14-8= 15-9= 11-7= 13-5= 14-9= 13-7= 14-5= 15-7= 17-8= 16-8= 11-6= 12-8= 13-4= 18-9= 13-9= 11-3= 12-5= 13-9= 13-4= 11-6=
11-3= 13-9= 12-5= 16-8= 11-6= 17-8= 12-8= 18-9=
14-6= 11-4= 11-2= 13-4= 12-6= 13-8= 14-7= 11-6= 12-3= 16-7= 15-6= 13-9= 11-5= 15-8= 16-9= 16-8=
20以内退位减法(8)
12-3= 16-7= 15-6= 13-9= 13-6= 12-4= 11-8= 12-5= 13-8= 11-9= 17-9= 11-7= 13-7= 14-6= 11-5= 14-6= 13-7= 11-9= 12-6= 14-7= 12-9= 12-7= 14-8= 15-9= 13-5= 14-9= 14-5= 15-7= 11-4= 11-2= 15-8= 16-9= 11-4= 11-2= 14-5= 15-7= 12-9= 12-7= 20以内退位减法( 9)14-5= 15-7= 14-8= 15-9= 11-4= 11-2= 12-9= 12-7= 12-6= 14-7= 13-5= 14-9= 16-7= 15-6= 12-4= 11-8= 15-8= 16-9= 12-9= 12-7= 14-5= 15-7= 11-6= 11-3= 17-8= 12-8= 18-9= 13-4= 16-8= 13-4= 18-9= 11-3=
18-9= 17-8= 13-4= 11-3= 11-6= 12-8= 13-9= 12-5= 16-8= 11-3= 18-9=
13-7= 17-9= 14-6= 11-9= 13-8= 11-7= 12-3= 13-6= 11-5= 11-9= 13-7= 14-6= 11-4= 11-2= 13-4=
20以内退位减法(10 )
12-3= 16-7= 15-6= 13-9= 11-7= 13-5= 14-9= 12-8= 13-8= 12-6= 14-7= 11-6= 11-9= 12-9= 12-7= 11-3= 14-6= 11-4= 11-2= 13-4= 11-5= 15-8= 16-9= 16-8= 13-6= 12-4= 11-8= 12-5= 17-9= 14-8= 15-9= 17-8= 11-7= 13-5= 14-9= 12-8= 13-7= 14-5= 15-7= 18-9= 11-9= 12-9= 12-7= 11-3=
20以内进位加法口算(1)
9+2= 8+6= 4+7= 7+6= 9+8= 7+9= 6+8= 9+9= 2+9= 8+9= 3+8= 6+5= 7+5= 5+8= 6+7= 9+6= 3+9= 5+6= 5+7= 6+6= 7+7= 9+3= 7+8= 5+9= 6+9= 8+7= 8+4= 7+5= 5+8= 6+7= 8+9= 3+8= 6+5= 6+8= 9+9= 2+9= 20以内进位加法口算(2)
6+8= 9+9= 2+9= 8+8= 4+9= 9+4= 4+8= 7+4=
8+5= 9+5= 8+3= 9+7= 7+4= 4+8= 9+4=
9+4=
5+7= 6+6= 7+7= 9+5= 8+9= 3+8= 6+5= 4+8= 9+2= 8+6= 4+7= 8+8= 9+3= 7+8= 5+9= 8+3= 7+5= 5+8= 6+7= 7+4=
9+6= 3+9= 5+6= 8+5= 7+6= 9+8= 7+9= 4+9= 6+9= 8+7= 8+4= 7+5= 5+8= 6+7= 9+2= 8+6= 4+7= 9+3= 7+8= 5+9= 20以内进位加法口算(3)
7+6= 9+8= 7+9= 9+2= 8+6= 4+7= 9+6= 3+9= 5+6= 7+5= 5+8= 6+7= 6+8= 9+9= 2+9= 9+3= 7+8= 5+9= 6+9= 8+7= 8+4= 8+9= 3+8= 6+5= 5+7= 6+6= 7+7= 9+3= 7+8= 5+9= 6+8= 9+9= 2+9= 9+2= 8+6= 4+7= 20以内进位加法口算(4)
6+9= 8+7= 8+4= 9+2= 8+6= 4+7= 5+7= 6+6= 7+7= 9+7= 7+4= 8+8= 8+3= 4+9= 8+8=
8+5= 7+4= 9+4= 8+3= 9+7= 4+8= 9+5= 8+3= 9+4= 8+8= 9+7= 8+8= 9+5=
9+3= 7+8= 5+9= 8+3= 6+8= 9+9= 2+9= 9+4= 7+5= 5+8= 6+7= 7+4=
9+6= 3+9= 5+6= 8+5= 7+6= 9+8= 7+9= 4+9= 8+9= 3+8= 6+5= 4+8= 9+3= 7+8= 5+9= 8+3= 7+5= 5+8= 6+7= 6+8= 9+9= 2+9= 20以内进位加法口算(5)
7+6= 9+8= 7+9= 9+2= 8+6= 4+7= 6+8= 9+9= 2+9= 8+9= 3+8= 6+5= 9+3= 7+8= 5+9= 7+5= 5+8= 6+7= 9+6= 3+9= 5+6= 5+7= 6+6= 7+7= 6+9= 8+7= 8+4= 7+6= 9+8= 7+9= 9+6= 3+9= 5+6= 8+9= 3+8= 6+5= 20以内进位加法口算(6)
6+8= 9+9= 2+9= 9+2= 8+6= 4+7= 7+6= 9+8= 7+9= 9+3= 7+8= 5+9= 8+7= 8+4= 6+9= 7+4= 9+4= 4+9= 8+8= 9+4= 4+8= 8+3= 7+4=
8+5= 9+5= 9+7= 4+9= 8+5= 4+8=
9+4= 8+8= 4+9= 8+3= 9+7=
8+9= 3+8= 6+5= 4+8= 7+5= 5+8= 6+7= 7+4=
9+6= 3+9= 5+6= 8+5= 5+7= 6+6= 7+7= 9+5= 8+7= 8+4= 6+9= 9+7= 7+5= 5+8= 6+7= 7+4= 9+3= 7+8= 5+9= 8+3=
7+6= 6+9= 5+7= 8+9= 9+2= 6+8= 9+3= 7+5= 9+6= 9+2= 7+5= 8+9= 9+2= 6+8= 7+5= 9+3= 7+6= 6+9= 5+7= 8+9= 20以内进位加法口算(7)
9+8= 7+9= 8+7= 8+4= 6+6= 7+7= 3+8= 6+5= 8+6= 4+7= 9+9= 2+9= 7+8= 5+9= 5+8= 6+7= 3+9= 5+6= 8+6= 4+7= 5+8= 6+7= 3+8= 6+5= 20以内进位加法口算(8)
8+6= 4+7= 9+9= 2+9= 5+8= 6+7= 7+8= 5+9= 9+8= 7+9= 8+7= 8+4= 6+6= 7+7= 3+8= 6+5= 4+9= 9+7= 9+5= 4+8= 8+8= 9+4= 8+3= 7+4= 8+5= 8+8= 7+4= 4+8=
8+8= 9+4= 7+4= 8+3= 4+9= 9+7= 9+5= 4+8=
9+6= 3+9= 5+6= 8+5= 7+6= 9+8= 7+9= 4+9= 9+2= 8+6= 4+7= 8+8= 6+8= 9+9= 2+9= 9+4=
20以内进位加法口算(9)
7+6= 9+8= 7+9= 4+9= 6+9= 8+7= 8+4= 9+7= 9+2= 8+6= 4+7= 5+7= 6+6= 7+7= 6+8= 9+9= 2+9= 9+3= 7+8= 5+9= 7+5= 5+8= 6+7= 9+6= 3+9= 5+6= 8+9= 3+8= 6+5= 6+8= 9+9= 2+9= 9+2= 8+6= 4+7= 5+7= 6+6= 7+7= 20以内进位加法口算(10)
8+9= 3+8= 6+5= 9+3= 7+8= 5+9= 7+6= 9+8= 7+9= 6+9= 8+7= 8+4= 9+2= 8+6= 4+7= 6+8= 9+9= 2+9= 7+5= 5+8= 6+7= 9+6= 3+9= 5+6= 5+7= 6+6= 7+7= 7+5= 5+8= 6+7= 6+8= 9+9= 2+9= 8+8= 9+5= 9+4= 8+3= 7+4=
8+5= 4+8= 9+4= 8+8= 9+5=
4+8= 8+3= 4+9= 9+7= 8+8= 9+4= 7+4=
8+5= 9+5= 7+4= 9+4=
9+3= 7+8= 5+9= 8+3=
20以内加减混合练习( 一 )
9+4= 15-9= 11-9= 9+5= 16-7= 11-4= 12-9= 4+7= 2+9= 16-8= 12-7= 6+7= 9+7= 12-3= 15-6= 5+8= 16-7= 11-7= 13-9= 8+7= 7+5= 13-6= 12-4= 6+6= 11-3= 12-5= 14-7= 4+7= 13-8= 9+9= 11-8= 11-6= 7+5= 11-7= 13-5= 14-9= 12-8= 11-2= 14-6= 13-4= 7+5= 13-7= 14-5= 15-7= 18-9= 17-9= 8+4= 14-8= 15-9= 7+3= 8+6= 17-8= 11-5= 16-9= 15-8= 9+3= 12-7= 11-9= 15-6= 8+5=
20以内加减混合练习( 二 ) 12-4= 9+2= 14-8= 8+6= 13-7= 14-5= 8+7= 11-9= 8+6= 11-3= 13-9= 11-5= 16-7= 13-5= 11-5= 7+9= 8+4= 13-6= 14-6= 5+7= 12-9= 11-3= 9+8= 15-6= 12-5= 8+5= 5+7= 13-5= 11-6= 8+6= 8+4= 14-6= 7+6= 9+9= 18-9= 17-8= 16-9= 15-7= 11-7= 5+9= 7+8= 8+4= 17-8= 6+9= 18-9= 7+7= 12-9= 12-7= 3+9= 6+7= 12-7= 4+8= 13-5= 12-4= 14-8= 13-5= 3+8= 11-4= 7+5= 13-4=
20以内加减混合练习( 三 )
7+5= 13-7= 14-5= 15-7= 18-9= 17-9= 8+4= 14-8= 15-9= 7+3= 8+6= 17-8= 11-5= 16-9= 15-8= 9+3= 12-7= 11-9= 15-6= 8+5= 9+4= 15-9= 11-9= 9+5= 16-7= 11-4= 12-9= 4+7= 2+9= 16-8= 12-7= 6+7= 9+7= 12-3= 9+2= 5+8= 16-7= 13-9= 11-7= 8+7= 12-4= 15-6= 13-7= 8+6= 14-8= 11-3= 14-5= 8+7= 8+6= 11-9= 11-5= 13-9= 16-7= 13-5= 11-5= 7+9= 8+4= 14-6= 14-8= 5+7=
7+8= 8+4= 17-8= 6+9= 18-9= 7+7= 12-9= 12-7= 3+9= 12-7= 6+7= 13-5= 4+8= 13-4= 14-8= 3+8= 11-4= 9+8= 13-5= 7+5= 13-4= 12-9= 12-6= 15-6= 12-5= 8+5= 5+7= 13-5= 11-7= 8+6= 8+4= 14-6= 18-9= 17-8= 7+6= 9+9= 16-9= 15-7= 6+6= 5+9= 12-4= 11-7= 7+5= 13-6= 11-3= 12-5= 14-7= 4+7= 13-8= 9+9= 14-9= 11-8= 11-6= 11-7= 7+5= 13-5= 14-6= 13-4= 12-8= 11-2=
9+2= 15-9= 8+8= 13-8= 11-3= 9+4= 16-7= 6+7= 2+9= 11-5= 8+6= 11-2=
20以内加减混合练习( 四 ) 20以内加减混合练习( 五 )
9+7= 14-8= 13-9= 6+9= 12-7= 12-7= 14-9= 15-8= 8+8= 18-9= 11-3= 8+4= 15-7= 6+7= 13-9= 6+9= 2+9= 11-5= 12-9= 15-9= 7+7= 12-5= 14-9= 16-8= 9+8= 11-2= 13-7= 9+7= 5+8= 14-8= 12-3= 12-9= 7+5= 16-9= 15-8= 13-7= 8+4= 17-8= 11-9= 12-7= 9+8= 11-4= 15-6= 11-8= 4+9= 12-6= 12-7= 12-4=
20以内加减混合练习(六 ) 6+8= 12-9= 16-9= 7+5= 15-8= 12-4= 11-9= 11-7= 9+3= 17-9= 17-8= 5+8= 15-8= 11-3= 12-7= 11-4= 9+8= 12-7= 4+9= 12-6= 4+7= 17-9= 13-7= 15-7= 9+9= 14-8= 13-5= 5+6= 7+8= 7+9= 14-6= 12-8= 8+4= 11-6= 6+6= 13-8= 12-4= 13-6= 12-5= 14-8= 15-7= 9+9= 13-7= 7+8= 8+5= 5+7= 8+4= 11-6= 4+7= 13-8= 17-9= 14-6= 12-8= 7+8= 13-6= 6+6= 8+9= 17-8= 15-9= 9+8=
20以内加减混合练习(七 ) 6+8= 12-9= 16-9= 7+5= 15-8= 12-4= 11-9= 11-7= 9+3= 17-9= 17-8= 5+8= 15-8= 11-3= 12-7= 11-4= 9+8= 12-7= 4+9= 12-6= 9+2= 15-9= 11-3= 9+4=
8+8= 13-8= 16-7= 6+7= 2+9= 11-5= 8+6= 11-2= 6+9= 13-9= 14-8= 9+7= 12-7= 12-7= 14-9= 15-8= 8+8= 18-9= 11-3= 8+4= 15-7= 6+7= 13-9= 6+9= 2+9= 11-5= 12-9= 15-9= 7+7= 12-5= 14-9= 16-8= 5+8= 11-2= 13-7= 9+7=
6+8= 12-9= 16-9= 7+5= 15-8= 12-4= 11-9= 11-7= 9+3= 9+8= 17-8= 5+8= 15-8= 11-3= 17-9= 12-7= 12-7= 11-4= 4+9= 12-6= 9+9= 15-7= 13-7= 14-8= 12-5= 5+7= 8+4= 11-6= 13-8= 17-9= 4+7= 7+8= 14-6= 12-8= 6+6= 13-6= 8+9= 17-8= 15-9= 9+8= 4+7= 17-9= 13-7= 15-7= 9+9= 14-8= 13-5= 5+6= 7+8= 7+9= 14-6= 12-8= 8+4= 11-6= 6+6= 13-6= 13-8= 8+5= 12-4= 7+8=
7+5= 13-6= 12-4= 6+6= 11-3= 12-5= 14-7= 4+7= 9+9= 13-8= 15-8= 11-6= 7+5= 11-7= 13-5= 14-9= 12-4= 10-2= 14-6= 13-4= 7+8= 8+4= 17-8= 6+9= 18-9= 7+7= 12-9= 12-7= 3+9= 6+7= 12-7= 13-5= 4+8= 13-4= 9+8= 11-4=
20以内加减混合练习( 八 ) 20以内加减混合练习( 九 )
13-5= 7+5= 14-8= 5+8= 13-4= 14-8= 12-3= 12-9= 7+5= 15-8= 16-9= 13-7= 8+4= 17-8= 11-9= 9+8= 11-4= 12-7= 4+9= 12-6= 15-6= 11-8= 12-7= 12-4=
20以内加减混合练习( 十 )
9+4= 15-9= 11-9= 9+5= 16-7= 11-4= 12-9= 4+7= 2+9= 16-8= 12-7= 6+7= 9+7= 12-3= 15-6= 5+8= 16-7= 11-7= 13-9= 8+7= 6+8= 12-9= 16-9= 7+5= 15-8= 12-4= 11-9= 11-7= 9+3= 17-9= 17-8= 5+8= 15-8= 9+8= 11-3= 12-7= 12-7= 11-4= 4+9= 12-6= 12-4= 9+2= 14-8= 8+6= 13-7= 14-5= 8+7= 11-9= 8+6= 11-3= 15-9= 11-5= 16-7= 13-5= 11-5= 7+9= 8+4= 13-6= 14-6= 5+7=
30+7= 74-4= 70+30= 10+50= 100-50= 6+40= 76-6= 8+70= 8+60= 80-40= 整十数加减法计算(1)
65-5= 44-4= 1+80= 84-80= 28-20= 60+7= 70-20= 60+40= 30-10= 50-20= 5+90= 46-6= 70-30= 71-1= 60+30= 30+70= 50+50= 37-30= 91-1= 93-3= 7+60= 30-0= 37-7= 100-60= 46-6= 40+50= 78-8= 54-4= 40+5= 100-70= 100-90= 6+40= 78-8= 62-10= 92-90= 69-9= 26-6= 98-8= 55-5= 70+30=
85-5= 86-80= 60+3= 100-80= 68-8= 2+30= 50+7= 80-60= 47-40= 27-7= 整十数加减法计算(2)
80+7= 100-40= 20+20= 10+80= 53-50= 79-9= 40+9= 6+80= 70+20= 72-2= 70+8= 30+10= 100-20= 59-9= 68-8= 55-50= 60+8= 80+8= 70+30= 7+70= 60-20= 55-5= 77-7= 50+50= 2+30= 4+80= 10+50= 76-6= 39-9= 70+30= 100-50= 50+2= 97-7= 85-80= 8+60= 80-40= 73-3= 70+6= 50+20= 8+20= 30+20= 9+20= 76-70= 30+6= 50+3= 46-6= 9+90= 100-100= 30+50= 10+70= 8+90= 80+10= 61-60= 52-50= 100-30= 86-6= 80-50= 40+30= 7+90= 36-6= 84-4= 30+60= 90-70= 整十数加减法计算(3)
50+7= 80-60= 47-7= 28-8= 60+7= 70-20= 70-30= 71-1= 60+30= 46-40= 40+50= 78-8= 65-5= 44-4= 1+80= 30-10= 50-20= 5+90= 50+50= 37-7= 91-1= 7+60= 30-10= 37-7= 40+5= 100-70= 100-90= 86-6= 60+3= 100-80= 78-8= 61-0= 92-2= 26-6= 98-8= 55-5= 30+40= 80+10= 0+100= 86-6= 70+8= 35-35= 38-8= 60-30= 80+9=
27-20= 60+40= 30+70= 54-5= 84-4= 46-6= 93-3= 100-60= 6+40= 68-60= 69-9= 70+30=
整十数加减法计算(4)
60-20= 80+10= 91-90= 52-0= 35-35= 100-60= 74-70= 8+60= 70-50= 67-7= 60+8= 8+20= 30+20= 91+9= 80+10= 80+8= 76-6= 30+6= 50+3= 40+60= 79-9= 40+9= 6+80= 70+20= 72-70= 70+30= 46-6= 9+90= 100-100= 86-6= 7+70= 45-40= 77-70= 70+8= 55-5= 50+50= 95-5= 80-40= 76-6= 39-9= 74-4= 35-5= 6+40= 60+8= 7+70= 100-70= 80+7= 60-60= 80+6= 30+50= 10+70= 8+90= 100-30= 86-80= 80-50= 40+30= 7+90= 36-6= 30+10= 100-20= 59-50= 73-3= 70+1= 50+20= 84-4= 30+60= 90-70= 整十数加减法计算 (5)
73-70= 70+1= 50+20= 26-6= 98-8= 55-5= 46-6= 40+50= 78-8= 65-5= 44-40= 1+80= 28-8= 60+7= 70-20= 100-30= 86-6= 80-50= 7+60= 30-10= 37-30= 8+20= 30+20= 9+20= 30+50= 10+70= 8+90= 73-3= 8+60= 70-50= 100-40= 20+20= 10+80= 97-7= 8+60= 70-50= 整十数加减法计算(6)
100-40= 20+20= 10+80= 70+8= 38-30= 60-30= 68-8= 30+40= 80+9=
3+40= 70+30= 54-4= 87-80= 60+40= 88-8= 100-60= 80+10= 7+80= 72-2= 53-3= 97-7=
53-50=
79-9= 40+9= 6+80= 70+20= 72-2= 40+6=
75-5=
85-5=
3+90=
74-4=
17-7=
70+8= 55-50= 60+8= 80+8= 70+30= 7+70= 60-20= 55-5= 77-7= 50+50= 30+10= 73-3= 8+20= 76-70= 46-40= 30+50= 80+10= 100-30= 40+30= 84-4= 100-20= 70+6= 30+20= 30+6= 9+90= 10+70= 61-60= 86-6= 7+90= 30+60= 59-9= 50+20= 9+20= 50+3= 100-100= 8+90= 52-50= 80-50= 36-6= 90-70= 68-8= 30+40= 80+10= 20+7= 86-6= 70+8= 35-30= 38-8= 60-30= 80+9=
4+70= 73-3= 20+6= 78-8= 98-90= 80+7= 60+3= 88-8= 60+40=
5+60= 30+1= 39-9= 20+80= 38-8= 40+60= 70+7= 84-4= 12-2= 50+5=
52-2= 36-6= 76-70=
69-9= 90+8= 50+6= 50+50= 60+1= 10+30= 90+1= 3+30= 51-1=
50+6= 3+70= 90+10= 50+5= 60-50= 70+20= 20+80= 65-5= 90+2= 59-9=
90+10= 70+1= 2+20=
90+2= 10+40= 30+7= 50+30= 61-60= 90+1= 23-3= 91-90= 4+30= 90-50= 32-30= 67-7= 78-70= 45-5= 4+40= 77-7= 14-4=
90+6=
整十数加减法(8)
16-6= 92-2= 85-5= 2+50= 70+30= 55-50= 50+7= 99-90= 80+3= 10+90= 83-3= 30+7= 22-20= 20+3= 30+8= 10+1= 60+7= 4+40= 91-1=
90+4=
整十数加减法(9)
20+9= 4+30= 10+4= 90+1= 4+30=
89-9=
59-9= 98-8= 45-5= 5+50= 60+9= 10+2= 89-9= 20+3= 41-1=
70-60= 37-30= 90+1= 2+40= 57-7= 72-2= 70+8= 65-5= 90+2= 48-8=
30+9= 47-7= 73-3=
24-20= 40+9= 83-3= 40+50= 60+5= 50+4= 91-1= 50+6= 36-6=
37-7= 97-90= 80+6= 40+50= 95-5= 15-5= 44-40= 51-1= 70+9= 3+20=
75-70= 69-9= 98-90=
20+30= 60+40= 40+7= 80+9= 67-7= 91-1= 20+8=
15-5= 87-80= 32-2= 30+5= 50+9= 4+50= 30+70= 60+9= 20+6= 70+6=
70+4= 80+1= 10+6= 59-9= 12-2=
60+7= 70+30= 82-80= 40+60= 3+40= 66-6= 80+5=
70+1= 34-4= 88-80= 93-3= 90-60= 22-2= 90-30= 83-3= 80+10= 86-6=
10+80= 90+3= 30+2= 80+9= 80+8=
90+1= 70-50= 99-9= 57-50= 25-20= 20+50= 57-7= 87-80= 40+50= 90-60= 77-7= 52-2= 90+6=
80+2=
整十数加减法(10)
80+20= 90-20= 56-50= 3+30= 90-90= 20+7= 10+3= 66-6= 2+40= 10+80= 26-6= 45-5= 5+40= 90+4= 40+50= 90-30= 90+4= 80+1= 93-3=
50+1=
整十数加减法(11)
17-7= 96-6= 35-5= 10-3= 40+9= 40+9= 83-3= 83-3= 40+5=
40+5=
20+6= 70+8= 88-80= 7+60= 20+3= 98-8= 3+50=
30+1= 39-9= 10-3= 30-7= 40+60= 60+7= 74-70= 10-2= 50+5= 10+70=
50+2= 60+8= 94-4= 30+7= 20+9=
56-6= 50+5= 60+1= 10+3= 80+20= 2+60= 41-40=
3+90= 90+10= 5+40= 57-7= 60+40= 70+8= 65-60= 90+2= 49-9= 50+8=
60+3= 70+9= 90-50= 4+80= 71-1=
30+2= 21-1= 66-6= 22-2= 90+3=
60+3= 46-6= 60+2= 70+2= 10+60= 2+60= 40+60= 89-9= 42-40= 80-50=
10-4= 46-6= 30+4= 66-6= 80+5=
34-4= 88-8= 28-20= 75-5= 10+80= 90-80= 35-5= 83-80= 83-3= 70+9=
60+5= 50+4= 50+4= 40+3= 99-9= 39-9= 50+50= 50+5= 36-6=
35-5=
整十数加减法(12)
90+6= 90+6= 70+9= 70+9= 95-5= 96-6= 50+9= 15-5= 80+8= 30+40= 60+5= 41-1= 24-20= 70+8= 60+7= 22-2= 20+9= 74-4= 68-8=
20+4=
90-30= 90-80= 40+5= 61-1= 20+80=
47-7= 60-50= 50+9= 66-60= 80+8= 90+6= 64-4= 60+7= 30+9= 79-9=
92-2= 30+9= 56-50= 2+70= 90+2=
6+20= 100-80= 60+1= 70+1= 70+30= 10+7= 45-5= 70+8= 41-40= 81-1=
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