將1.25變成分?jǐn)?shù)8分之10
負(fù)負(fù)得正
然后相約
得到分?jǐn)?shù)5分之16
=3.2
簡便計算:(-二十五分之八)X1.25X(-8)
簡便計算:(-二十五分之八)X1.25X(-8)
數(shù)學(xué)人氣:465 ℃時間:2020-06-03 06:00:34
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