若x\3=y\4=z\5,则代数式(x+2y+3z)\2x的值为
1个回答
设k=x3=y4=z5
x=3k
y=4k,
z=5k
(x+2y+3z)2x
=(3k+2*4k+3*5k)/(2*3k)
=26/6
=13/3
相关问题
若3x+2y+4z=4,x-y+z=2,求代数式x+4y+2z的值
若x+y=-5,x+z=3,则(y+z)-(3-2x)的值为?
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若3x+5y+6z=5,4x+2y+z=2,则x+y+z的值等于( )