五年级数学(方程)习题及答案汇编

五年级数学(方程)习题及答案汇编 (1) (7.4x-4.8)÷24=3.5 (4) x-9=44 (7) (2x+12)÷2=27 (10) 8.7-x=4.5 (13) 36x-32=148 (16) 2.1x+1.9x=172 (19) 2x+3.7×5=36.5 (22) 2x-1.2=10.8 (25) x+7.7=13.4 (28) 61x+23x-4.7=129.7 (31) 4.1+x=10.1 (34) 100÷x=10 (37) 5.7x+7.2x+3=67.5 (40) 0.3x+3.9=17.7 (43) x÷49=0.3 (46) 2(2x-35)=42 (49) 2.8x+5.6x=134.4 (52) 6x+7×21=177

(2) (12x+36)÷4=57 (5) x+50=103

(8) 3(3.8x-6.5)=14.7 (11) 88-x=46

(14) 31x-15x-0.7=37.7 (17) 0.2x=1.8

(20) 9.9x+7.3x+2.6=.2 (23) 61-x=15

(26) 6.7x-4.3x-1.4=17.8 (29) x-73=24 (32) x÷2=14

(35) 3.7x-3.3x+2=6.8 (38) 17x-6×26=31 (41) 11x-4×10=147 (44) 1.5x-1.3x-3.8=3.4 (47) 17x+11x+1=127 (50) 12.6-2.1x=2.1 (53) 15x-5x=80

(3) 37x-31x-2.3=4.9 (6) 12x-4x+29=133 (9) 33x-10×0.4=2.6 (12) (1.4x+2.1)÷21=0.3 (15) x+8.3=17.3 (18) 7.1x-5.2x=3.8 (21) 0.2x+7x+4.4=105.2 (24) 6(0.3x+3.2)=31.8 (27) (4.1x+9.9)÷9=9.3 (30) 4.8-x=1.2 (33) 11x+23×0.5=20.3 (36) 5(5x-40)=200 (39) 2x-2×23=48 (42) 14x-3x-32=78 (45) x-5=2 (48) 45x-38=142

(51) 1.6x+1.3x-2.4=162.9 () 3x+52=160

(55) 12x-4x-11=101 (58) 11.1+23x=20.3 (61) 4x+2x-10=50 () x-0.2=6 (67) 96-x=21 (70) 82-11x=27 (73) 10.3+0.3x=17.5 (76) 7x=5.6 (79) 24x-7x+1=9.5 (82) 16.5÷x=1.5 (85) 15x÷5=3.3 (88) x-=18

(91) 35x+3x+0.4=106.8 (94) (5.7x+3.6)÷11=8.1(97) (6.6x-9.6)÷36=1.2(100) 13x-10x-4.3=3.2 (103) 7.5-16x=2.7 (106) 6x+10x+36=180 (109) 18x÷=0.2

(56) (12x-28)÷4=11 (59) 112÷x=7 (62) 15.6÷x=1.3 (65) 0.5x+2.8=13.3 (68) (13x-21)÷18=1 (71) x÷5=18 (74) 5x=115

(77) 15x+93x-2.4=105.6 (80) 2.9x-4.3=4.4 (83) 1.3x-1×2=11 (86) 7x+99×2=380 () 2(16x-31)=34 (92) x÷63=3 (95) 3x+38=158 (98) 12.5+20x=22.5 (101) 8.8+0.4x=14.4 (104) 12.8-49x=3 (107) 2(0.4x+5.1)=47.8 (110) 5x+6x=308

(57) 4x+21×0.6=29.4 (60) 17+x=35

(63) 72x+45x-3.4=43.4 (66) 45x-2x+2.7=80.1 (69) 6x+5x-23=307 (72) 6.7x=13.4 (75) 2x+3.3=12.9 (78) 50x÷15=10 (81) 115÷x=23 (84) 124-16x=12 (87) 12.7-24x=5.5 (90) 25x+2×71=317 (93) 0.6x=9 (96) 9x÷72=2 (99) 8.7x÷58=0.3 (102) (7.3x-5.6)÷33=1.6(105) 24x-8×0.3=12 (108) 11.4+2.9x=28.8 (111) 52x-44=60

(112) 9x-6×1.6=3 (115) 19x+7x=78 (118) 11x+53=86 (121) 21+x=56 (124) 5.2x-2.2x=9 (127) 6(3x+13)=114 (130) 7x-3x+20=44 (133) 1.3x÷5=2.6 (136) 167-2x=143 (139) x÷86=0.2 (142) 9x+4.4=12.5 (145) 6x-4.7=2.5 (148) x+35=126 (151) 7x-3x=24 (1) 2x+6x+9=249 (157) 63x-49x+3.4=18.8 (160) 3x-2.6=3.4 (163) 60x=18 (166) x-4.5=3.9

(113) 1.4x-0.4x+4=34 (116) 2(x+25)=96 (119) x÷20=0.6 (122) 5.2+x=5.7

(125) 7.2x-1.1x+1.2=43.9 (128) 7.5-x=4.2 (131) 5.4x÷6=2.7 (134) 40x-4.4=7.6 (137) 8x-5x-4=35 (140) (10x+40)÷5=34 (143) 0.5x-1.8×7=5.4 (146) 11+2x=125 (149) x+9.2=12.5 (152) 8x+13x+2=75.5 (155) 2.3x-0.5x-3.4=9.2 (158) 3.9+15x=20.4 (161) (5x-28)÷4=8 (1) 2x÷6=13 (167) 0.2x+3.1=16.5

(114) 7x-2x=85 (117) 14÷x=1 (120) 9.5x-6.1x=13.6 (123) 96x=192

(126) 0.4x-3.3×2=2.2 (129) 4.9x+8.3x=39.6 (132) 7(5x+6)=147 (135) 2(0.5x+5)=26 (138) 197+42x=323 (141) 7.7x+1.2x-1=25.7 (144) 10x-4x+25=73 (147) 4.6-0.5x=2.6 (150) 0.4+x=8.7 (153) 2x=76

(156) 2.1x+0.2×32=19 (159) 11(4.3x-9)=42.9 (162) x+10=14 (165) 9.3-0.4x=2.1 (168) 37x+4.7=12.1

(169) 16x+12x+14=210 (172) 10x=9 (175) 4x÷3=1.6

(178) 4.4x+7.8x-2.6=107.2

(1) x=12 (4) x=53 (7) x=21 (10) x=4.2 (13) x=5 (16) x=43 (19) x=9 (22) x=6 (25) x=5.7 (28) x=1.6 (31) x=6 (34) x=10 (37) x=5

(170) 4x+6x-32=208 (173) 20x+10×0.7=23 (176) 25+11x=135 (179) 84+x=136

参： (2) x=16 (5) x=53 (8) x=3 (11) x=42 (14) x=2.4 (17) x=9 (20) x=3 (23) x=46 (26) x=8 (29) x=97 (32) x=28 (35) x=12 (38) x=11

(171) 1.3x+4.2×2=12.3 (174) 12(0.4x-8.4)=14.4 (177) 0.3x-4.5=13.5 (180) 3x+11x=56

(3) x=1.2 (6) x=13 (9) x=0.2 (12) x=3 (15) x=9 (18) x=2 (21) x=14 (24) x=7 (27) x=18 (30) x=3.6 (33) x=0.8 (36) x=16 (39) x=47

(40) x=46 (43) x=14.7 (46) x=28 (49) x=16 (52) x=5 (55) x=14 (58) x=0.4 (61) x=10 () x=6.2 (67) x=75 (70) x=5 (73) x=24 (76) x=0.8 (79) x=0.5 (82) x=11 (85) x=1.1 (88) x=82 (91) x=2.8 (94) x=15

(41) x=17 (44) x=36 (47) x=4.5 (50) x=5 (53) x=8 (56) x=6 (59) x=16 (62) x=12 (65) x=21 (68) x=3 (71) x=90 (74) x=23 (77) x=1 (80) x=3 (83) x=10 (86) x=26 () x=3 (92) x=1 (95) x=40

(42) x=10 (45) x=7 (48) x=4 (51) x=57 () x=36 (57) x=4.2 (60) x=18 (63) x=0.4 (66) x=1.8 (69) x=30 (72) x=2 (75) x=4.8 (78) x=3 (81) x=5 (84) x=7 (87) x=0.3 (90) x=7 (93) x=15 (96) x=16

(97) x=8 (100) x=2.5 (103) x=0.3 (106) x=9 (109) x=0.6 (112) x=1.4 (115) x=3 (118) x=3 (121) x=35 (124) x=3 (127) x=2 (130) x=6 (133) x=10 (136) x=12 (139) x=17.2 (142) x=0.9 (145) x=1.2 (148) x=91 (151) x=6

(98) x=0.5 (101) x=14 (104) x=0.2 (107) x=47 (110) x=28 (113) x=30 (116) x=23 (119) x=12 (122) x=0.5 (125) x=7 (128) x=3.3 (131) x=3 (134) x=0.3 (137) x=13 (140) x=13 (143) x=36 (146) x=57 (149) x=3.3 (152) x=3.5

(99) x=2 (102) x=8 (105) x=0.6 (108) x=6 (111) x=2 (114) x=17 (117) x=14 (120) x=4 (123) x=2 (126) x=22 (129) x=3 (132) x=3 (135) x=16 (138) x=3 (141) x=3 (144) x=8 (147) x=4 (150) x=8.3 (153) x=38

(1) x=30 (157) x=1.1 (160) x=2 (163) x=0.3 (166) x=8.4 (169) x=7 (172) x=0.9 (175) x=1.2 (178) x=9

(155) x=7 (158) x=1.1 (161) x=12 (1) x=39 (167) x=67 (170) x=24 (173) x=0.8 (176) x=10 (179) x=52

(156) x=6 (159) x=3 (162) x=4 (165) x=18 (168) x=0.2 (171) x=3 (174) x=24 (177) x=60 (180) x=4