Entry Nº 051Stage 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
——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
What builds on it