来自侯强的问题
49(a-b)方-16(a+b)方分解因式1.49(a-b)方-16(a+b)方2.(2x+y)方-(x+2y)方3.(x²+y²)²-x²y²4.(m+n)²-n²5.3ax²-3ay的四次方
49(a-b)方-16(a+b)方分解因式
1.49(a-b)方-16(a+b)方
2.(2x+y)方-(x+2y)方
3.(x²+y²)²-x²y²
4.(m+n)²-n²
5.3ax²-3ay的四次方
1回答
2020-12-2721:16