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化简求值,(写出化简过程)
(41-5)^2-2(41+5)(41-5)+(41+5)^2
人气:194 ℃ 时间:2020-05-29 23:08:20
解答
(41-5)²-2(41+5)(41-5)+(41+5)²
=[(41-5)-(41+5)]²
=(41-5-41-5)²
=(-10)²
=100
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