题目内容
3ax2+6axy+3ay2
答案:
解析:
解析:
解:3ax2+6axy+3ay2 =3a(x2+2xy+y2) =3a(x+y)2 |
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题目内容
3ax2+6axy+3ay2
解:3ax2+6axy+3ay2 =3a(x2+2xy+y2) =3a(x+y)2 |