我們可以一眼看出哪個分數比較大，而不用通分嗎？
a/b + c/d 會等於 (a+c)/(b+d) 嗎？
a/b 與 (a+x)/(b+x) 哪一個大？
刘护灵
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- Resource Type
-
Activity
- Tags
-
- Target Group (Age)
- 15 – 18
- Language
- Chinese Traditional / 繁體中文
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