tong cua hai so la 112.tim hai so do biet 1/2 so thu nhat bang 1/3 so thu hai.
hieu cua 2 so la 33 biet so thu nhat bang 8/5 so thu 2 tim 2 so do
Bai 4 : Hieu hai so la so lon nhat co hai chu so , tim hai so do . Biet rang 1/7 so thu nhat bang 1/4 so thu hai
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
hieu cua 2 so la 303 biet mot nua so thu nhat gap doi so thu 2.Tim 2 so do
hieu cua 2 so la 303 biet mot nua so thu nhat gap doi so thu 2 .tim 2 so do
trung binh cong cua 3 so la 90 . Tim moi so ,biet 1/2 so thu nhat bang 1/3 so thu 2 , so thu ba gap hai lan so thu nhat
Hieu 2 so la 183 , biet mot nua so thu hai gap doi so thu nhat . Tim hai so do