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战巡 发表于 2024-8-16 10:29 这还要问???你把第二条化简了以后跟第一条逐个比对系数建立方程组,然后消元啊 ...
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nttz 发表于 2024-8-16 11:11 $r a_{n+1}a_{n}+s a_{n+1}-p a_{n}-q=0$ $r a_{n+1}a_{n}+s a_{n+1}-(kr+p')a_{n}-ks+p'k=0$ 整个比对么 ...
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