(a+2b)²-a(a+2b)
=(a+2b)(a+2b-a)
=2b(a+2b)不好意思少打了一个²分解因式(a+2b)²-a(a+2b)²(a+2b)²-a(a+2b)²=(1-a)(a+2b)²提取公因式(a+2b)²就可以了
分解因式(a+2b)²-a(a+2b)
分解因式(a+2b)²-a(a+2b)
分解因式(a+2b)²-a(a+2b)²
分解因式(a+2b)²-a(a+2b)²
数学人气:626 ℃时间:2020-03-27 09:38:28
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