X的m次方=9,X的n次方=6,X的k次方=4 求X的m-2n+2K

问题描述:

X的m次方=9,X的n次方=6,X的k次方=4 求X的m-2n+2K

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.