已知|2x-3y+2|+ 根号2y-6 =0,求5x-6y.
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/24 19:17:33
xQN@
Z˿Hz j"hc=ii MS`iK_vSeMiۙo˄)(:8`o8fi;qt",[0甼#̠oHnjPV:A
TIk8@eDfȧY7`-`^L_u*"^eaNmЖU$Wa:A?~gzxtxVecR?VIzJ(. Lzp|rL\t_ B%3p8DeT2e,mYسiTcMvK22
已知x>0,y>0根号x(根号x+2倍根号y)=根号y(6倍根号x+5倍根号y)求:(x + 根号xy - y)/(2x + 根号xy +3y) 的值
代数式求值.已知x=2,y=根号3,求 (根号x-根号y)/(根号x+根号y)+(根号x+根号y)/(根号x-根号y)已知x=2,y=根号3,求 (根号x-根号y)/(根号x+根号y)+(根号x+根号y)/(根号x-根号y)
已知4x2+9y-4x-6y+2=0 求根号y/根号x+根号y - 根号y/根号x-根号y快.
已知4x2+9y-4x-6y+2=0 求根号y/根号x+根号y - 根号y/根号x-根号y急用.
已知x=2y,化简根号y/(根号x-根号y)-根号y/(根号x+根号y)
已知x=2y,化简根号y/(根号x-根号y)-根号y/(根号x+根号y)
已知x=2y,化简:根号y/根号x -根号y -根号y/根号x +根号y
已知x =2y 化简(根号y/根号x -根号y )-(根号y/根号x +根号y)
已知y=根号1-x+根号x-1+3,求根号x+根号y分之x+2根号xy+y+根号x-根号y分之一的值
已知实数x.y满足根号(x+y-8)+根号(8-x-y)=根号(3x-y-4)+根号(x-2y+7),求x,y
已知:根号y/x+根号x/y=3倍根号2/2,求y/x+x/y的值?
已知根号x=根号2-1/根号2,根号y=根号3-1/根号3,求代数式【(x+y)/(根号x-根号y)】-求代数式【(x+y)/(根号x-根号y)】-2xy/(x根号y-y根号x)已知根号x=根号2-(1/根号2),根号y=根号3-(1/根号3),求代数
4x-y/2根号x+根号y 9x-6根号xy+y/3根号x-根号y
已知x,y为实数,且y=根号2x-6+根号(3-x)+1,求x根号2x÷根号x/y
已知x、y为实数,且根号x²=根号3-根号2,根号y平方=根号2,x+y≠根号3,求x-y
已知x平方+y平方-2y+1=0,求(根号x+根号y+3)/((根号xy+y)(3根号x+根号y))
已知实数x,y满足下x^2+根号2y=根号3,y^2+根号2x=根号3,求x/y+y/x
已知x,y为正数,且根号x(根号x+根号y)=3根号y(根号x+5根号y),求:(2x+根号xy+3y)/(x+根号xy-y)