百分數的應用（一） | Mathconcept網上學堂 | Ep 19
Synopsis
Ep 19 百分數的應用（一） 本集內容: 根據百分率求出數值。 MathConcept網上學堂選取小學各級重點課題，透過簡單易明的解說， ...
![[數學教室] 小六 百分率的應用（一）](https://i.ytimg.com/vi/eXREutPgXTE/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLCYxYxMniE6-zAgHe7UcBPTyGq0Yw)
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