1 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^21 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^2

来源：学生作业帮助网 编辑：作业帮 时间：2024/04/30 06:30:22
1 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^21 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^2

1 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^21 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^2
1 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^2
1 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^2

1 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^21 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^2
什么意思?