北师大五年级下册解方程80题暑假作业

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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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