(x+y)³(2x+2y)²(3x+3y)²的值

分类: 作业答案 • 2021-12-19 10:54:48

问题描述：

答

原式=(x+y)³[2(x+y)]²[3(x+y)]²
=(x+y)³*2²(x+y)²*3²(x+y)²
=36(x+y)^7

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