Các câu hỏi tương tự
1,tim cac so nguyen x,y biet: -2/x=y/3 va x<0<y
2, Tim cac so nguyen x,y biet:x-3/y-2=3/2 va x-y=4
giups mik nha
Tim STN x,y biet a) (x+1)+(x+2+...+(x+30)=795
b) (x+1)+(x+3)+...+(x+99)=5100
mik xin cac bn hay giup mik nha
Tim 2 STN x,y biet
2(x-3) +2y =0
Tim cac so nguyen x,y(y>0) biet |xm^2-1|+(y^2-3)=2 tim x nho cach lam nua nha
Tim cac so nguyen x,y biet
a,(x-1)(y+2)=5
b,x(y-3=--2
tim x;y (la STN) biet(x-2).(2y-3)=26
1) tim stn x biet rang (x+4).(23-x)=0
2) tong cac chu stn le tu 1 den 999 la
tim cac so nguyen x,y,z biet y^2=y-1; x^2=x-1; z^2=z-1
bai 1 tim cac so nguyen x,y biet
a,x/3=7/y b,x/y=-3/11 c,x/y-1=5/-19
bai 2 tim cac so nguyen x,y,z,t biet
12/-6=x/5=-y/3=z/-17=-t/-9