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分解因式(5m²+3n²)²-(3m²+5n²)²
人气:142 ℃ 时间:2019-09-18 13:05:37
解答
=(5m^2+3n^2+3m^2+5n^2)(5m^2+3n^2-3m^2-5n^2)
=(8m^2+8n^2)(2m^2-2n^2)
=16(m^2+n^2)(m+n)(m-n)
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