(x4y+6x3y2-x2y3)÷(3x2y)=_.
问题描述:
(x4y+6x3y2-x2y3)÷(3x2y)=______.
答
(x4y+6x3y2-x2y3)÷(3x2y)
=x4y÷3x2y+6x3y2÷3x2y-x2y3÷3x2y
=
x2+2xy-1 3
y2.1 3
故答案为:
x2+2xy-1 3
y2.1 3