计算:[6xy2(x2-3xy)-(-3x2y3)]÷(3x2y2)

问题描述:

计算:[6xy2(x2-3xy)-(-3x2y3)]÷(3x2y2

[6xy2(x2-3xy)-(-3x2y3)]÷(3x2y2
=[6x3y2-18x2y3+3x2y3)]÷(3x2y2
=[6x3y2-15x2y3]÷(3x2y2
=2x-5y.