99.99*22.22+33.33*33.34
=33.33*66.66+33.33*33.34
=33.33*(66.66+33.34)
=33.33*100
=3333
99.99×22.22+33.33×33.34 簡便方法計算
99.99×22.22+33.33×33.34 簡便方法計算
數(shù)學(xué)人氣:248 ℃時間:2020-04-30 06:45:10
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