1.x^-8x+7
2.X^+8X+7
3.X^-10X-11
4.X^-10X+11
5.x^+10X-11
6.X^+3x-18
7.x^+11X+18
8.x^-11x+18
9.x^+17X-18
10.X^-17X-18
1. 2X^-3XY-X
2. (X+Y)^(X+Y)(X-Y)(X+Y)(Y+Z)
3. 3X(a+2b)^-6XY(a+2b)
4. a(x-y)-b(X-Y)-C(Y-X)
5. (b-a)^-2a+2b
6. (x-y)^-m(y-x)+y-x
7. x(x-y)(a-b)-y(y-x)(b-a)
8. 已知a+b=13,ab=40,求 a^b+ab^的值
^是平方
参考资料:这么多 就没有过程了 一定要加分啊 很辛苦诶