已知(根号x+三次根号下x分之一)的次方展开式各项的系数的和与其各二项式系数的和之比为64,则n等于多少
已知(根号x+三次根号下x分之一)的次方展开式各项的系数的和与其各二项式系数的和之比为64,则n等于多少
数学人气:995 ℃时间:2019-11-04 07:04:08
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你可以拍张照片让大家回答,这样描述有歧义不用了.........已经解决了谢谢!
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