若|a-2|+(b+0.5)2=0,则a11b11=________.
若9x2+kx+1是一个完全平方式,则k=_____.
6 a2 x3·(_________)=36 a4 x5-24 a3 x4+18 a2 x3.
3an+1÷2 an=_________.
计算:(16x2y3z+8x3y2z)÷8x2y2=__________.
______.