(2)17917
18 ×10 +18 ÷10
(3)9.56+4.875-7
8 +1.44
(4)3.×[1÷(21
10
-2.09)]
(5)4.6×138 +8.4÷8311 -18 ×5 (6)70%X + 20%X = 3.6 (7)1512
5 ×8 ÷4 +3
(8)67 ×(512 -0.25)÷58
(9)7.35×99+7.35 (10)47-8÷17-
9
17
(11)5X-3×521=57
(12)15.6-227 -45
7
(13)3635
4 ÷11 +17 +8
(14) ×715 +815 ÷98
8 +9
(15)3-5711
9 ×20 -36
(16)
23X÷14=12 (17)57 ×43 +24
7 ×3
(18)1453
9 ÷75﹪-9 ÷4
(19)1511
4 ÷2 ×(4 +6 )
(20)10.2-(1.25+2.5)÷1.5 (21)X+
78X=34 (22)2-[16 +(34 -7
12 )]
(23)0.3÷[1÷(3.3-2.95)]
(24)(56 -13 )×(58 ÷1
4 )
(25)[(215
3 -4 )÷6 +5 ]×11
(26)X-38X=400
(27)24×(14 +16 -1
3 )
(28)3.74×4.8+6.2×3.74-3.74
8771
(29) ×[ -( - )]
98168
(43)
121111
×( + )+ 513
31248
(30)[3.6-(4.7+2.3)× ]÷1.2 (44) × ÷( - )
743515(31)1.4+0.6×86 411
(45)1 ×1.25+1 ×2.2-1
(32)4χ-6=38
(33)920 ÷[12 ×(24
5 +5 )]
(34)60×(
512 +415 -1
2
) (35)0.8×[1÷(3.2-2.95)] (36)X - 15%X = 68
(37)(21
15 +20 ×3 )÷12
(38)(9-10×43
5 )÷4
(39)(5181
8 -4 )×(9 ÷13 )
(40)2.6×132
3 +25 ×3
(41)125 ÷X=3
10
(42)2345
5 ×7 +7 ÷2
(46)4-45 ÷4-4
5
(47)5113
8 ÷[(5 +4 )×8 ]
(48)1.8÷0.25+8.2×4
(49)52141
7 ×3 +15 ÷9
(50)(10-512 ÷11
6 )×3
4
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