假設分子變為0,那么用倍數是無法來描述的,而只要為非0的數,都可與原數字構成倍數關系,因為倍數并不一定要取整數的.
數學——分數的基本性質
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歡迎您訪問分數的基本性質教學設計及反思,小學數學————關于分數的基本性質!

分數的基本性質教學設計及反思,小學數學————關于分數的基本性質

更新時間:2021-06-11 02:40:25作者:admin2

當然可以啊,而且不用加0除外.
假設分子變為0,那么用倍數是無法來描述的,而只要為非0的數,都可與原數字構成倍數關系,因為倍數并不一定要取整數的.

數學——分數的基本性質

1. 因為左端分母=B*B是完全平方數分數的基本性質教學設計及反思,所以右邊的分母也應該是完全平方數,最小的是48*3=12^2


所以最小的B=12,最小的A=3


2.若X=4,則B*B=4,B=2,此時A=1


? 若X=9,則B*B=9,B=3,此時A=1

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