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(x+y)³(2x+2y)²(3x+3y)²的值
人气:473 ℃ 时间:2020-01-24 02:10:31
解答
(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
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