(x+y)³(2x+2y)²(3x+3y)²的值
问题描述:
(x+y)³(2x+2y)²(3x+3y)²的值
答
(x+y)³(2x+2y)²(3x+3y)²
=(x+y)³[2(x+y)]²[3(x+y)]²
=2²×3²(x+y)的(3+2+2)次方
=36(x+y)的7次方