(X^2-Y^2)除以(X+Y)等于几?
2个回答
(x^2-y^2)/(x+y)
=(x+y)(x-y)/(x+y)
=x-y
相关问题
(x^2-y^2)2除以(x+y)^2再除以(x-y)等于多少
x加y的和,除以x后等于2,问x除以y等于几?
X除以Y等于2,X除以Z等于4,Z等于1,求代数式(X+Y+Z)除以(X-Y+Z)的值
(x+y)的绝对值除以(x-y)等于2,求x/y
xy除以x+y等于2,xz除以x+z等于3,yz除以y+z等于4,求x,y,z 的值
x>y>o xy=2 求证 (x2+y2)除以x-y大于等于4
(x-2y)2n方除以(2y-x)2n-1方等于
(x-2y)2n方除以(2y-x)2n-1方等于?
已知XY除以X+Y等于3,求2X-3XY+2Y除以-X+3XY-Y的值
x-y+(2y^2)除以(y+x)