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-5(x^2y^3z^3)^2/(-xy^2z)^2
人气:116 ℃ 时间:2020-05-22 00:07:34
解答
-5(x²y³z³)²/(-xy²z)²
=-5[(x²y³z³)/(-xy²z)]²
=-5(-xyz²)²
=-5x²y²z⁴
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