分數的基本性質:分數的分子和分母同時乘上或除以相同的數(0除外),分數的大小不" />

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歡迎您訪問分數的基本性質教學設計及反思:什么叫分數的性質!

分數的基本性質教學設計及反思:什么叫分數的性質

更新時間:2021-06-11 02:54:04作者:admin2

分數分數的基本性質教學設計及反思:把單位"1"平均分成若干份,表示這樣的一份或幾份,叫做分數。

分數的基本性質:分數的分子和分母同時乘上或除以相同的數(0除外),分數的大小不變。

還有一起補充一下:
商不變的性質:被除數和除數同時擴大或縮小相同的倍數,商不變。
約分:把一個分數化成同他相等,但分子,分母都比較小的分數,叫做約分。
通分:把異分母分數分別化成和原來分數相等的同分母分數叫做通分。

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