若a^m=2,a^n=3,则a^m+n=____,a^3m-2n=____.
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若a^m=2,a^n=3,则a^m+n=____,a^3m-2n=____.若a^m=2,a^n=3,则a^m+n=____,a^3m-2n=____.若a^m=2,a^n=3,则a^m+n=____
若a^m=2,a^n=3,则a^m+n=____,a^3m-2n=____.
若a^m=2,a^n=3,则a^m+n=____,a^3m-2n=____.
若a^m=2,a^n=3,则a^m+n=____,a^3m-2n=____.
a^m+n=a^m×a^n=2*3=6
a^3m-2n=a^3m/a^2n=2^3/3^2=8/9
若a^m=4,a^n=3,则a^m+2^n等于?
3道同底数幂的题.(1)若(m+n)^m×(n+m)^n=(m+n)^5,且(m-n)^m-5×(m-n)^5-n=(m-n)^3,求m^m×n^n的值(2)已知a^m+1=2,a^n-1=8,则a^m+n等于?(3)如有工艺a^m+3×a^n-1=a^5,那么n等于?
若(m+n)^2-mn(m+n)=(m+n)·M,则M是() A.m^2+n^2 B.m^2-mn+n^2 C.m^2-3mn+n^2 D.m^2+mn+n^2
a^(-m/n)=?
数学:若a^m=3,2^n=8,则(a^m)^n等于
若-2a^(m-1)b^(m+n)与6a^(n-2m)b^(3m+n-a)是同类项,则方程组{2mx+ny=460 mx+(n-2)y=240 的解为-2a^(m-1)b^(m+n)与6a^(n-2m)b^(3m+n-a)改为-2a^(m-1)b^(m+n)与6a^(n-2m)b^(3m+n-4)
已知a^m=2,a^n=3,则a^(2m-3n)=
a^m=2,a^n=3,则a^2m+3n=
a^m=2,a^n=3,则a^m+2n=?
若a^m=5,a^n=2,则a^m+n等于?
若a^m=2,a^n=5,则a^m+n的值是
a^m=3 a^n=4 则a^2m+n=?
已知a^m=2,a^n=3则a^2m-2n
若a^m=2,a^2n=7,求a^3m+4n.
若a^m=2,a^n=3,求a^2m-n
a^m=3,a^n=4,则a^2m+3n
a^m=3,a^n=-2,则a^m+2n为多少
a^m=2,a^n=3,则a^m+n