列竖式计算84974

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列竖式计算(除不尽的保留两位小数):

5.9×0.32= 1.72×8.4= 4.37×200= 3.6×7.8= 5.06×12=

3.08×0.25= 53.5×1.2= 7.98÷

4.2=

5.02×1.7= 0.368÷0.23=

4.37×2.8= 3.25×8.1= 0.5×18= 2.48×60= 1.05×0.02=

1.08×6.3= 1

2.5×8= 6.24÷0.3= 18÷12= 1.09÷12=

28.6÷11= 1.17÷9= 1÷8= 81.9÷39= 3.21÷3=

0.28×34= 0.3×0.75= 2.15×6.8= 0.468÷12= 2.85×5.2= 18.9÷2.3≈ 2.5÷24≈ 700÷12≈ 18÷21≈ 45.86÷2.2≈

3.74÷1.3≈ 25.5÷0.65≈ 19.8÷12= 93÷0.31= 86.4÷32=

脱式计算(能用简便方法的用简便方法计算)0.125×72 24×10.2 0.73×102 3.14×102 1.25×64

10.1×87 5.4×10.2 1.7×101 9.5×101 5.5×9.8 19.7×5.3+4.7×19.7 3.5×2.34+3.5×7.66 7.8×9+7.8

4.2×7.8+2.2×4.2 0.9+0.9×99 19.4×0.9+0.1×19.4

2.3+9×(22-19.7) 6.8×99+6.8 2.06+2.06×99

1.9×

2.34+1.9×7.66 4.2×7.8+2.2×4.2 2.12×

3.5+7.88×3.5

7.8×0.24+0.76×7.8 3.6×2.3+0.77×36 2.5×(40-4)

15.15×6+15.15×3+15.15 12.58×6.4+3.6×12.58 0.6×(10-8.02)

3.8×1.96-3.8×0.46 76.3×27-76.3×17 (0.38+0.67)×1.2 0.25×9.87×4 1.25×0.25×3.2 32×0.25×12.5

12.5×5.7×0.8 1.25×2.5×8×4 1.25×0.5×8×0.2

1.25×1.5×0.8 0.6×

2.5×0.5×4 0.25×368×40

12.5×2.5×0.8×4 12.5×0.4×2.5×8 23.7×0.25×8

32÷0.25÷0.4 45.6÷2.5÷0.4 4.8÷0.24÷2 12.25+36+7.75

5.26+3.14+4.74+4.86

6.4+0.74+3.7+0.26 18.16-0.23-0.87 8.59-4.1×0.1-4.59 5.6×[1.98-(1.45-0.31)] 4÷0.8-0.8÷4

18.16-0.23-0.87 8.59-4.1×0.1-4.59 4÷0.8-0.8÷4

5.6×[1.98-(1.45-0.31)] 92.4÷3.4÷2 8.45-0.45×0.1

4.8+[1.6÷(2.4÷0.6)] [0.15+(2.4-1.8)]×20

17÷[(1.2+0.5)×5] (3.2-0.299÷0.23)×(8-7.48)

5.65×[4.98-(2.4÷0.6)] 18.75-0.23×2-4.54 2.8×5.5×1.3

5.5×1.52-2.03 0.71+0.25×0.4 (8.6-1.7)×0.08

解下列方程

x+52=96 x+15=19.5 2x+9=13.5 7.2+5x=10

x+8=13 2.5+x=5.3 x-2.7=13 x-40=15

x-1.6=1.4 x+5.3=10 x+2.5=36 3x-25=200

4x-1.2=74 25.5+3x=56.4 4.6+5.4x=12.7 0.6x-6=30

0.15x-3.8=8.5 0.8x-6.4=3.6 2.5x-25=5 7x+x=1.52

9x+5x=8.4 7x-2x=48 0.8x-0.5x=1.2 7x+3x+26=74 x÷8=20.8 2x÷8=1.25 3x÷1.2=9.75 2x-0.5×2=0.8 x÷6=7.8 3x-9=13.5 2x÷3=51.6 x÷10=12.5

4x=50 5x=75 2x=4.6 2.5x=10

5x=20.2 0.8x=4.5 5.4x-2.4x=189 3x÷0.45=20

x+2x=93 3.8x-1.8x=4.02 6x-x=41 x-0.85x=3 7x+3x+26=74 5.4x+6.6x=19.2 5x+7x=84 3.8x-x=0.56 6x-12.8×3=0.06

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