Các câu hỏi tương tự
Tim x,y thuoc Z biet \(\frac{5x+7y}{6x+5y}\)\(=1\frac{1}{28}\) va UCLN\(\left(x,y\right)=1\)
Tim cac cap so nguyen x,y thoa man
a) xy-5x+y=17
b) x.(y-2)=3 va x>y
tìm x va y thoa man
a, 11x - 20y = 49
b,5x + 4y = 3
c,3h + 7y = 55
cho so tu nhien x va y thoa man : ( x+1999) X ( x+1995) = 3^y -81 . Tim x va y
tim x, y, z biet
a) x/20=y/9=z/6va x-2y +4z=13
b)4x=3y;7y=5z va x-y+z
c)x/2=29/3=47/7 va 3x + 5y + 7z = 123
1.Tim cac chu so x va y de so 1x8y2 chia het cho 36
2.tim cac gia tri nguyen cua n de phan so A=3.n+2/n-1 co gia tri la so nguyen
3.tim cac chu so x y thoa man
(x-2)^2.(x-3)^2=4
4.tim so tu nhien x biet
(x-5):3/100=20.x/100 +5
Tim x va y thoa man
1234xy chia het cho 72
5x+7y/6x+5y=29/28 và (x,y) = 1
tìm x,y
tim stn x y biết ( 6x + 5y + 1). ( 6x + y + 3x2 + 3x ) = 105