1/2 x 2/3 x 3/4 x .x 18/19 x 19/20
=1/20
前一個分母和后一個分子約分什么叫約分,請給步驟,詳解。謝謝1/2x2/3分母和分子各有一個2,可以約去變?yōu)?1/1x1/3=1/3
1/2 x 2/3 x 3/4 x .x 18/19 x 19/20 =
1/2 x 2/3 x 3/4 x .x 18/19 x 19/20 =
分數(shù)相乘,分子和分母都是遞增的,怎么計算.急
分數(shù)相乘,分子和分母都是遞增的,怎么計算.急
數(shù)學人氣:596 ℃時間:2020-05-26 10:46:42
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