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51问答网 > 求解这组二元一次方程的去分母。

求解这组二元一次方程的去分母。

2025-03-14 09:58:55

推荐回答（2个）

回答1：

如图

回答2：

x/3+y/4=54/60=9/10----------(1),
x/5+y/4=42/60=7/10---------(2),
(1)-(2); x/3-x/5=1/5, 2x/15=1/5, x=3/2, y=8/5

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