[(x+y)的2n次方]的4次方÷(x-y)的2n+1次方 (n为正整数)
[(x+y)的2n次方]的4次方÷(x-y)的2n+1次方 (n为正整数)
人气:144 ℃ 时间:2019-08-21 10:32:46
解答
[(x+y)的2n次方]的4次方÷(x-y)的2n+1次方
=(x+y)的8n次方÷(x-y)的2n+1次方
=(x+y)的[8n-(2n+1)]次方
=(x+y)的6n-1次方
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