作业帮(x+y)³(2x+2y)²(3x+3y)²的值
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(x+y)³(2x+2y)²(3x+3y)²的值
(x+y)³(2x+2y)²(3x+3y)²的值
(x+y)³(2x+2y)²(3x+3y)²的值
(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
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