职业学院有哪些专业:0.75y-0.4x=6
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y=8-8/15x,一次性函数
x=120/7
0.75y-0.4x=6
x*x+y*y+4*x-6*y+13=0 x和y等于多少?
已知:x+y=6,x-y= -2,
若 x/3y = y/2x-5y =6x-15y/x
已知x+y=2,x*x+y*y=6,求x(七次方) +y (七次方)的值
2(x+y)+3(x-y)=9(1) (x+y)+6(x-y)=9(2)
方程组2分之x+y+3分之x-y=6,2(x+y)-3x+3y=24
如何解释Dim x As Integer y As Integer,x=5,y=x,y=y+12,y=y/5,y=y+6,Print"y=";y,"x=";x,
x^2+y^2+4x-6y+13=0,则x+y=?
(x+2y)(x+y)=4XX-5xy-6yy 求x/y