若x-y分之x+y=3,求式子x+y分之5(x-y)—2(x-y)分之x+y的值
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/21 19:55:14
若x-y分之x+y=3,求式子x+y分之5(x-y)—2(x-y)分之x+y的值若x-y分之x+y=3,求式子x+y分之5(x-y)—2(x-y)分之x+y的值若x-y分之x+y=3,求式子x+y分之
若x-y分之x+y=3,求式子x+y分之5(x-y)—2(x-y)分之x+y的值
若x-y分之x+y=3,求式子x+y分之5(x-y)—2(x-y)分之x+y的值
若x-y分之x+y=3,求式子x+y分之5(x-y)—2(x-y)分之x+y的值
(x-y)分之(x+y)=3
(x+y)分之5(x-y)—2(x-y)分之(x+y)
=5*(x+y)分之(x-y) -2*3
=5/(x-y)分之(x+y)-6
= 5/3 -6
= -13/3
若x+y分之x-y=3,求式子x+y分之5(x-y)—2(x-y)分之x+y的值
若x-y分之x+y=3,求式子x+y分之5(x-y)—2(x-y)分之x+y的值
若X分之1+Y分之1=X+Y分之1 求X分之Y+Y分之X
若x+y=4,xy=3求x分之y+y分之x
已知x=-3y=-3分之1求式子3xy+y分之x-x的值已知x=-3,y=-3分之1,求式子3xy+y分之x-x的值.
当y分之x=5分之2时,求x+y分之3x-y
若x>o,y>o,且根号x(根号x+根号y)=3根号y(根号x+5根号y)求x+根号xy分之2x-根号xy-5y式子是√x(√x+√y)=3√y(√x+5√y),求x+√xy分之2x-√xy-5y
若z分之x+y+z=y分之x-y+z=x分之-x+y+z,求xyz分之(x+y)(y+z)(z+x)
已知x.y互为相反数,且x不等于0,ab互为倒数,n=3,求式子x-ab分之n-(-y)+x分之y的值!
若x分之5=y分之3,则x+y分之x-y=
若x分之5=y分之3,则x+y分之x-y=
已知x+y分之x-y=2 求x+y分之3x-3y 减x-y分之2(x+y)的值
已知x+y分之x-y=2,求2x+2y分之x-y-3x-3y分之2x+2y的值
已知x+y分之x-y=2,求2x+2y分之x-y-3x-3y分之2x+2y的值
x+y分之x-y=-2,求3(x+y)分之x-y减去x-y分之2(x+y)的值
已知x,y是实数,求式子|x|分之x+|y|分之y+|xy|分之xy的值
2分之x+2y=3分之2x-y=1求x,y
3x+2y分之2x-y=七分之三求x:y算式