tim 2 so biet tong 2 so la so ln nhat co 3 chu so, hieu hai so la so lon nhat co 2chu so
tim so co hai chu so ,biet tong cua hai chu so la chan lon nhat co mot chu so va hieu cua hai chuso do la 3
Tong cua hai so la so chan lon nhat co bon chu so .Hieu cua hai so la so tron chuc lon nhat co 3 chu so Tim hai so do
Tim 2 so biet tong cua chung la so lon nhat co 4 chu so khac nhau va hieu la so be nhat co 4 chu so
hieu cua 2 so la so chan lon nhat co 3 chu so khac nhau. tim hai so do, biet so thu hai gap ruoi so thu nhat
hieu cua 2 so la so chan lon nhat co 3 chu so khac nhau. tim hai so do, biet so thu hai gap ruoi so thu nhat
Tim 2so biet rang tong cua 2 so do la so lon nhat co 6 chu so va hieu cua chung la 158
tong 2 so la so lon nhat co 5 chu so .Hieu 2 so la so le be nhat co 3 chu so .Tim 2 so do
tim tich 2 so biet tong cua hai so la so le nho nhat co 3 chu so chia het cho 9 va hieu cua hai so la so lon nhat co hai chu so chia het cho 3