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X的m次方=9,X的n次方=6,X的k次方=4 求X的m-2n+2K
人气:242 ℃ 时间:2019-11-04 14:15:14
解答
X^M=9,X^N=6,X^K=4 X^(M-2N+2K) =X^M*(X^K)^2÷(X^N)^2 =9×16÷36 =4.
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