若(x-1/2x-3)^2+(3y+1/y-2)^2=0 求代数式(2/2x-1)-(3/6y+1)的值急用,在线等.若(x-1/2x-3)^2+(3y+1/y-2)^2=0 求代数式(2/2x-1)-(3/6y+1)的值急用,在线等.回答的好加分.

分类: 作业答案 • 2021-12-19 17:19:20

问题描述：

若(x-1/2x-3)^2+(3y+1/y-2)^2=0 求代数式(2/2x-1)-(3/6y+1)的值急用,在线等.
若(x-1/2x-3)^2+(3y+1/y-2)^2=0 求代数式(2/2x-1)-(3/6y+1)的值
急用,在线等.回答的好加分.

答

∵(x-1/2x-3)^2+(3y+1/y-2)^2=0
∴ x=1 y=-1/3
∴代数式(2/2x-1)-(3/6y+1)=（2/1）-(3/-1)=5
希望我的回答对你有帮助

若(x-1/2x-3)^2+(3y+1/y-2)^2=0 求代数式(2/2x-1)-(3/6y+1)的值 急用,在线等.若(x-1/2x-3)^2+(3y+1/y-2)^2=0 求代数式(2/2x-1)-(3/6y+1)的值急用,在线等.回答的好加分.