(4.3-0.5)乘0.125简便算法脱式计算

2024-12-15 01:47:39
推荐回答(1个)
回答1:

(4.3-0.5)乘0.125
=3.8×0.125
=(3+0.8)×0.125
=3×0.125+0.8×0.125
=0.375+0.1
=0.475
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