1/2+1/2x^2+1/2xy+1/2x^2y-1/3x^2-1/3xy-1/3x^2y
计算1.(2/3)^8*8^9*(3/4)^10/(4)^9
计算
1/2+1/2x^2+1/2xy+1/2x^2y-1/3x^2-1/3xy-1/3x^2y
人气：393 ℃ 时间：2019-09-27 16:21:54
解答
(2/3)^8*8^9*(3/4)^10/(4)^9=1.125
是因式分解吗?
1/2+1/2x^2+1/2xy+1/2x^2y-1/3x^2-1/3xy-1/3x^2y=（3+x^2+xy+x^2y)/6
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