(6x2y-xy2-1/2x2y3)/(-3xy)
问题描述：
(6x2y-xy2-1/2x2y3)/(-3xy)
答
原式=6x2y/(-3xy)-xy2/(-3xy)-1/2x2y3/(-3xy)
=-2x+y/3+xy2/6谢谢，这对吗？嗯，肯定