Các câu hỏi tương tự
Tim cac so x,y,z biet \(\frac{x}{5}=\frac{y}{7}=\frac{z}{3}\)va x2 va y2 va z2
tim cac so x,y,z ,biet x/2=y/4=z/6 va x-y+z
Tim ba so x,y,z. Biet x+y+z=240 va x÷y÷z=9÷7÷8
tim cac so x,y,z thuoc Q biet rang (x+y):(5-z):(y+z):(y+9)=3:1:2:5
Tim x,y,z biet :x+2/7 =y-3/5 =z/3 va x+y - z = -17
_GIUP_MINH_VOI_NHE_MK_TICK_CHO
Tim x,y,z biet:
(2|x|+5)/3=(3|y|-1)/5=(3-z)/7 va 2|x|+7|y|+3z=-14
TIM X, Y ,Z , BIET :\(\frac{x-2}{6}=\frac{y+3}{9}=\frac{z-7}{10}\)va \(x+y+z=106\)
tim x;y;z biet x/3=y/4;y/5=z/7 va x+y+z=98
Tim cac sox y z biet x-1/2=y-2/3=z-3/4 va x-2*y+3*z=14