五年级数学上册小数的简便计算专项训练题

小数乘法分配律专题练习

3.7×65+2.5×65+65×3.8 17.8×32+17.8×72-17.8×4

3.9-4.1+6.1-5.9 9×12+9×12 72×125

0.32×2.5×1.25 17×23-7×23 487-187-139-61

4.4×250 1.25×(8+80) 3.6×(100+50)

2.4×(0.2+10) 8.6×(1000-2) 1.5×(40-8)

3.6×34+3.6×66 0.75×2.3+0.25×2.3 6.3×43+57×6.3

9.3×6+9.3×4 3.25×113-3.25×13 0.28×18-8×0.28

7.8×102 69×10.2 56×10.1 52×1.02

125×8.1 25×4.1 3.1×99 0.42×98

29×0.99 85×9.8 12.5×79 25×3.9

8.3+8.3×99 5.6+5.6×99 0.99×99+0.99

7.5×101-7.5

0.25×16.2×4

3.72×3.5+6.28×3.5

4.8×7.8+78×0.52

7.09×10.8-0.8×7.09

320÷1.25÷8

12.5×81-12.5 (1.25-0.125)×8 36.8-3.9-6.1 4.8×100.1 25.48-(9.4-0.52) 18.76×9.9+18.76 0.91×31-0.91 3.6×102 -15.6-15.6×2.1 56.5×9.9+56.5 4.2÷3.5 3.52÷2.5÷0.4 15.6×13.1

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