已知2^m=6,4^n=2,求2^2m-2n+2

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已知2^m=6,4^n=2,求2^2m-2n+2已知2^m=6,4^n=2,求2^2m-2n+2已知2^m=6,4^n=2,求2^2m-2n+2原式=2^2m÷2^2n×2²=(2^m)&#

已知2^m=6,4^n=2,求2^2m-2n+2
已知2^m=6,4^n=2,求2^2m-2n+2

已知2^m=6,4^n=2,求2^2m-2n+2
原式=2^2m÷2^2n×2²
=(2^m)²÷4^n×4
=6²÷2×4
=72