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分解因式:16m^2+8m-16n^2+1
人气:149 ℃ 时间:2020-08-14 14:11:14
解答
16m^2+8m-16n^2+1
=16m²+8m+1-16n²
=(4m+1)²-(4n)²
=(4m+1+4n)(4m+1-4n)
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