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230问答网 > ①请解上述一元二次方程①、②、③、n ②请你指出这n个方程的根具有什么共问特点，写出一条即可

①请解上述一元二次方程①、②、③、n ②请你指出这n个方程的根具有什么共问特点，写出一条即可

2025-02-11 16:49:28

推荐回答（1个）

回答1：

①（x-1)(x+1)=0 x=1,x=-1
②(x-1)(x+2)=0 x=1,x=-2
③(x-1)(x+3)=0 x=1,x=-3
…
n、（x-1)(x+n)=0 x=1,x=-n
(2)、有共同的解：x=1

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