Mathematics

Mathematics, 28.04.2021 05:20, xarianna2007

有一條繩子長 $5 \times \frac{1}{4}$
公尺,其中
公尺塗黄色,求黄色
分占全長的幾分之幾?剩下的部分占全長的幾分之幾?

$3 \times \frac{1}{2}$

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有一條繩子長
公尺,其中

公尺塗黄色,求黄色
分占全長的幾分之幾?剩下的部分占全長的幾分之幾?

...

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