一次函数的图象经过点(0,2),且与直线平行,则该一次函数的关系式为 .
若-a2b÷mab=2a,则m=_______.
(1)(6×1010)÷( )=-2×105; (2)( )·(-a2x2)=-5a;(3)( )÷n=a-b+2c; (4)(3x3y2+x4y2-______)÷xy=_____+____-1.
(8x2y-12x4y2)÷(-4xy)=________.
(a5b6-a3b2)÷ab=________;
3a2b2c÷(-a2b2)=________;