已知线段x,y的长度满足2x-3y=0求x-y:x+y
3个回答
满足2x-3y=0
则可得x=3y/2
将其等式代入x-y:x+y
可得 =x-y:x+y=3y/2-y:3y/2+y=y/2:5y/2
消去Y ,得比例=1:5
只有一个答案
相关问题
已知X,Y满足|X-Y-1|+(X+Y-3)^2=0求X,Y的值
已知有理数x,y满足|3x-5y+2|+(2x+y-3)的平方=0,求x,y
若线段x ,y 满足[2x-3y]*[3x+2y]=0 则x/y=?
已知x,y满足|x-y-4|+(x+y)^2=0,求(1/2x^2y)^3的值
已知实数x、y、z满足x+y+z=0 3x-y+2z=0 求x:y:z
化简求值:已知x、y满足:x2+y2-4x+6y+13=0,求代数式(3x+y)2-3(3x-y)(x+y)-(x-3y
化简求值:已知x、y满足:x2+y2-4x+6y+13=0,求代数式(3x+y)2-3(3x-y)(x+y)-(x-3y
已知x,y满足x²+y²+4x-2y=0.求x²+y²的取值范围
已知实数x,y满足x2+3x+y-3=0,求x+y的最大值
已知实数x,y满足x^2+3y^2+6x-12y+21=0,求x,y的值