【初二的乘法公式计算吧恩1.(3a-3b)(3a+4b)2.(2x²+3x)(2x²-3x)3.(4x-1)(-4x-1)4.(x-y+1)(x+y+1)5.(3x-2y)²6.(4x²+3y²)²7.(a-b-2)²8.99*101*100019.9999²10.(x-1)(x-2)(x-3)(x-4)】
初二的乘法公式计算吧恩
1.(3a-3b)(3a+4b)
2.(2x²+3x)(2x²-3x)
3.(4x-1)(-4x-1)
4.(x-y+1)(x+y+1)
5.(3x-2y)²
6.(4x²+3y²)²
7.(a-b-2)²
8.99*101*10001
9.9999²
10.(x-1)(x-2)(x-3)(x-4)