1.2÷(9.6÷2.4)×2.5
=1.2÷4X2.5
=0.3X2.5
=0.75
1.2÷(9.6÷2.4)×2.5的簡便算法是?
1.2÷(9.6÷2.4)×2.5的簡便算法是?
數(shù)學(xué)人氣:737 ℃時間:2020-04-14 06:32:14
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