已知2^m=3,32^n=6,求2^3m-10n
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已知2^m=3,32^n=6,求2^3m-10n
已知2^m=3,32^n=6,求2^3m-10n
已知2^m=3,32^n=6,求2^3m-10n
32^n=(2^5)^n=2^5n=6
2^m=3
2^(3m-10n)
=2^3m/2^10n
=(2^m)^3/(2^5n)^2
=3^3/6^2
=27/36
=3/4
已知m/n=5、,求(m/(m+n))+(m/(m-n))-(n^2/(m^3-n^2))
已知2^m=3,32^n=6,求2^3m-10n
已知2^m=3,32^n=6,求2^3m-10n
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