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去分母的依據是什麼
去分母的依據是什麼
更新时间:2024-09-29 17:19:32

  等式兩邊同時乘以分母的最小公倍數。對于方程:1、先找出所有分母的最簡公分母。2、再方程兩邊同乘以最簡公分母。等式的性質:等式兩邊同時乘同一個數,或除以同一個不為0的數,結果仍相等。

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