2024年3月29日发(作者:2022安岳小学数学试卷)

五年级数学简算题 姓名_____

①拆: 0.125×32 ×25 0.125×0.64 4.6×57+2.3×86

②变:0.78×101 6.24×9.9 1.26×

10.1

③ 分配律:3.26×5.7-3.26×0.7 9.8+99×9.8

7.4×0.28+0.28×2.6 3.6×3.14+43.9×

0.64

0.38×3.5+0.62×3.5 5.4×5.4+3.6×

5.4+5.4

④结合律:0.125×0.25×8×4 (8×5.27)×1.25

⑤移小数点:4.8×0.9+0.48 4.6×1.9+0.54×19

0.45×72+45×0.18+4.5 4.2×4+58×0.4

4.65×32+2.5×46.5+0.465×430

⑥减、除法性质:53.6÷0.25÷4 5.32+7.93+4.68

12.5÷(20÷8) 12.39-(5.18+2.39) 32.1-8.3-1.7

6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8


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