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用列举法写出关于x的方程x的平方-(a+1)x+a)=0
用列举法写出关于x的方程x的平方-(a+1)x+a)=0
2025-03-15 16:01:22
推荐回答（1个）
回答1：
解：
x的平方-(a+1)x+a=0
(x-1)(x-a)=0
x-1=0或x-a=0
x=1或x=a
用列举法表示为｛1，a｝
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