111X× = 2242X +
11 =10× 22
(1-30%)X=14
x-x=30 x -x=120 40%x =18 X+25% =7 231348
X -34X=4 X +0.8X=24
9.5x-5.3x=12.6 5x-4.2=8.8 3.1
18x÷(45-9)=4 12X÷3=16 6x
59 ÷X=25175136 39 X=26
8X-37=37 2X+372×6+4.2X=31.2
+5×4.4=40 X+789 X=27 X =12
5.4X+2.6X=840 5X=30 8X-1=1
639
3847
X + X = 5X - = (X-32) ×5=115
571111
312X+3X=50 7(X-1)=6.3 3X+7X+2.6=74 x﹣ =
105
132
0.5x+7.5x=16 x= x=54 1.5x=28.5
953
3151x﹣ = 0.5x+7.5x=16 -X= 5 X = 18
10584
X÷15=4.5 2.75+ X =10
X+X=12 X-= X÷=
23451912581017
11111X× = 2X + =10× (1-30%)X=14 22422
154572219111×+45× 4+× ×+÷8 (-+)×35 239568333557
55313951÷19÷ (+)÷ (54+)÷9 36÷[(-)×37 78416136317
241123144××10 6.8×+×3.2 (+-)×12 46× 5215534245
554216314431××24 42×(-) (+)× ×-× 124673275995
6669927214 × - ÷5 4- ÷ - ÷( + )× 57715534325
22-(2+
99
5) 12 1+3+4 18-2+1
585933
5X-3×107 = 57 5- 23 X= 13 2X- 43 X=12
9.5x-5.3x=12.6 5x-4.2=8.8 3.1×6+4.2X=31.2
18x÷(45-9)=4 12X 59 ÷X=2536
5.4X+2.6X=840
X + 35 X = 87 5X -
÷3=16 6x 175139 X=26 56X=30 8X47
11 = 11 (X-32) +5×4.4=40 X+78
9 X=27
-113=9 ×5=115
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