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根式方程，换元换出了3个未知数，这是简化计算还是增加难度？
初中根式方程，方法非常巧妙，你想到了吗？ 解方程：√(𝒙−𝟏) + √(𝟑𝒙−𝟓)+√(𝟒𝒙−𝟕)=𝟒𝒙−𝟓
初中根式经典100题63/105
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