若1284×83=2n,则n=___.
若1284×83=2n,则n=___.
若|m-2|+n2-8n+16=0,则m= ___ ,n= ___ .
若12a2b+M=12ab(N+2b),则M= ___ ,N= ___ .
已知:4x16x32=2^n,则n=___
若2xm+n-1-3ym-n-3+5=0是关于x,y的二元一次方程,则m= ___ ,n= ___ .
设f(n)=1n+1+1n+2+…+12n(n∈N),则f(n+1)-f(n)= ___ .
若|m-2|+n^2-8n+16=0,则m=___,n=____.
(10^n+25)^2-(10^n-25)^2=10^16,则n=___
等差数列{an}中,若Sn=3n^2+2n,则公差d=___
已知am=3,an=9,则am+n= ___ ,a3m-2n= ___ .
若数列{an}满足a1+3a2+32a3+…+3n-1an=n+13(n∈N*),则an=___.
C(0,n)+2C(1,n)+3C(2,n)+...+(r+1)C(r,n)+...+(n+1)C(n,n)=___(n