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Mathin
Entry051Stage 3 · Grades 5–6数与代数

分数的基本性质

分子分母同乘或同除以一个不为零的数,分数大小不变。

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Definition

12=24=36\frac{1}{2}=\frac{2}{4}=\frac{3}{6}——把每份再等分,份数变多、每份变小,总量不变。这条性质是通分与约分的全部依据。

Where it comes from · where it goes

Prerequisites

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