tim hai so biet tong cua chung bang so nho nhat co 4 cs sao cho khi dem so nay chia cho 666 thi dc so du la so du lon nhat con hieu cua chung bang so lon nhat co 3 cs
tim hai so co tong la so nho nhat co 4chu so sao cho khi chia so nay cho 1994 thi cho so du la so du lon nhat con hieu cua chung thi bang giua so lon nhat co bon chu so voi so lon nhất co hai chu so
cho hai so biet ti so giua hai so da cho bang ti so giua hai so le co ba chu so giong nhau trong do so be la so be nhat chia het cho 3, so lon la son lon nhat chia het cho 9. hieu cua 2 so do la so co 2 chu so giong nhau chia het cho 8. tim 2 so da cho
ai nhanh dung mk thuong ti phu
tong cua hai so le la so nho nhat co 4 chu so,biet giua haiso le do co 5 so chan.Tim hai so le 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
tong cua hai so bang so chan lon nhat co bon chu so giong nhau hieu cua hai so gap doi so le be nhat co 4 chu so tim hai so do
tong cua hai so bang so chan lon nhat co bon chu so giong nhau hieu cua hai so gap doi so le be nhat co bon chu so tim hai so do
tong cua hai so bang so chan lon nhat co bon chu so giong nhau hieu cua hai so gap doi so le be nhat co bon chu so tim hai so do
tong cua hai so lon nhat co 3 chu so hieu hai so do la so le nho nhat co 3 chu so tim so lon