已知x^m=2,x^n=5,求x^3m+x^2n的值?
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已知x^m=2,x^n=5,求x^3m+x^2n的值?已知x^m=2,x^n=5,求x^3m+x^2n的值?已知x^m=2,x^n=5,求x^3m+x^2n的值?x^3m+x^2n=(x^m)^3+(
已知x^m=2,x^n=5,求x^3m+x^2n的值?
已知x^m=2,x^n=5,求x^3m+x^2n的值?
已知x^m=2,x^n=5,求x^3m+x^2n的值?
x^3m+x^2n
=(x^m)^3+(x^n)^2
=2^3+5^2
=8+25
=33
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