通分x/a(x-y),y/b(y-x)
2个回答
x/a(x-y)=- xb/-ab(x-y)
y/b(y-x)=ay/-ab(x-y)
相关问题
通分:(1)x/a(x-y),y/b(y-x)
通分x+y分之x-y,x-y分之x+y
数学分式通分与约分约分 (x²+xy)/(x+y)² x²-y²/(x²-y²)通分2xy/(x+y)²与x/x²-y²
通分:x+y分之x-y,x²+xy分之x,x²-y²分之y
1.x-2y;y²/(x+y) 通分
通分 x-y/2x+2y 与 xy/(x+y)² 的
通分“1/(x+y)和1/(x-y)”
x/xy-y²与y/x²-xy 通分
x(x-y)的平方分之y与(y-x)的立方分之x通分,
(分数线用/代替吧)通分:1.2x/x²+y²,y/(x+y)² 2.y/2(x-y),x