当x+y=5xy=6(x2y)(xy2)=?
问题描述:
当x+y=5xy=6(x2y)(xy2)=?
谁能帮我算算?
答
(x2y)(xy2)
=xy*xy*xy
=6*6*6
=216
楼主是不是抄错题了?
(x2y)+(xy2)
=xy(x+y)
=5*6
=30