0.8X75.6X12.5
=75.6X(0.8X12.5)
=75.6X10
=756
0.8乘75.6乘12.5的簡便計算方法是多少?
0.8乘75.6乘12.5的簡便計算方法是多少?
數(shù)學(xué)人氣:316 ℃時間:2020-04-25 06:58:23
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