若3^n=2,3^m=5,则3^2m+3n+1=
1个回答
如果^是乘的话
3^2m=2^3m=10
3n+1=2+1=3
所以13
相关问题
若|3m-5|+(n+3)2=0,则6m-(n+2)= ___ .
若3m=8,3n=2,则32m-3n+1=______.
若2m+n=25,m-2n=2,则(m+3n)2-(3m-n)2=______.
若3的m(m指数)=5,3的n(n指数),则3的2m+n(2m指数,n指数)=?
若3m-n=-2,3m+n=5,则9m²-n²的值为_______.
若m2-n2=6,且m-n=2,则3m+3n=______.
1、若n-m=3,则2m-2n=6;1-n+m=
定义M-N={x|x∈M且x∉N},若M={1,3,5,7,9},N={2,3,5},则M-N=______.
1若m=n,则|m|=|n|;2若m=—n,则|m|=|n|;3若|m|=|n|,则m=—n;4若|m|=|n|,则m=
若 A(m+1,n-1,3),B (2m,n,m-2n),C( m+3,n-3,9)三点共线,则M+n=______