Các câu hỏi tương tự
tim x;y thuoc Z:biet x+5=y.(x-2) x khac 2
1 tim x,y,z biet
\(\frac{-4}{x}=\frac{y}{-14}=\frac{12}{21}=\frac{z}{-63}\)
2 tim n thuoc z n khac 0
a \(\frac{1111100:n}{23331:n}+\frac{-10}{-21}\)
b \(\frac{1075:n}{600:n}=\frac{43}{24}\)
tim x,y thuoc N, biet x.y+2.x+y-13=0
tim x ,y thuoc N biet x.y + 2.x +y-13=0
tim x , y thuoc Z
|x+2|.|y-1|-4|y-1|=0
|x-2|+|(x-2).(y+5)|=0
Tim x, y thuoc Z biet : | x-2| + (x-y+1)^2 =0
viet cac phep chia duoi dang phan so
a) m : 4 ( m thuoc Z)
b) 5 : a ( a thuoc Z , a khac 0 )
c) x : y ( x, y thuoc Z, y khac 0)
bai 1:tim x
a) (x+1/5)2+17/25=26/25
b)-1va 5/27-(3x-7/9)3=-24/27
bai 2:cho A=n+2/n-5 (n thuoc Z ;n khac 5).Tim x de A thuoc Z
1 )Tim x, y thuoc Z
x + y = x.y
2) Tim x thuoc Z
(x + 1)+(x+3)+(x+5)+...+(x+99)=0(x-3)+(x-2)+(x-1)+...+10+11=11-12(x-5)+7(3-x)=530(x+2)-6(x-5)-24x=100