已知2x加5y减3等于0 则4x的次方乘32y的次方等于几
人气:325 ℃ 时间:2019-08-17 22:02:11
解答
2x+5y=3 4^x*32^y =2^(2x)*2^(5y) =2^(2x+5y) =2^3 =8
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