Các câu hỏi tương tự
a,tim x biet |x-2|+|3-2x|=2x+1
b,tim x,y thuoc Z biet xy+2x-y=5
c, tinh A=(1-1/15)(1-1/21)(1-1/28).....(1-1/210)
a, Tim x biet:/x-2/+/3-2x/=2x+1
b, Tim x,y thuoc Z biet:xy+2x-y=5
c, tim x,y,z, biet :2x=3y;4y=5zva 4x-3y+5z=7
Tim x,y,z biet:2(x-1)-3(2x+2)-4(2x+3)=16
Tim x,y,z biet:2(x-1)-3(2x+2)-4(2x+3)=16
giai day du
Tim x+y+z = ? biet (x-1) /2= (y-2) /3 = (z-3) /4 va 2x+3y-z=95
tim x;y;z biet
1/2x=2/3y=3/4z va x-y =15
1. tim cac so x,y,z biet rang 1/2x=2/3y=3/4zva x-y=15
tim x,y,z biet
x+1/2 = y-2/3 = z-3/4 va 2x + 3y - z = 50
tim x,y,z biet
x+1/2 = y-2/3 = z-3/4 va 2x + 3y - z = 50