Các câu hỏi tương tự
TBC cua 3 so la 396 . Biet rang STN co 3 chu so STH co hai chu so STB co 1 chu so . Tim ba so do
tim hai so biet tong cua hai so do gap 2 lan so lon nhat co ba chu so va hieu hai so bang so nho nhat co ba chu so
cho biet cac chu so 1,3,5,9 co the lap duoc bao nhieu so co ba chu so khac nhau
tim so co ba chu so biet trung binh cong ba chu so nay bang 2 va chu so hang tram bang tong cac chu so chuc va don vi
tim mot so biet so do cong voi so be nhat co ban chu so khac nhau roi tru di so lon nhat co ba chu so khac nhau thi duoc so lon nhat co hai chu so
tim so tu nhien co hai chu so biet rang neu ta them chu so 0 vao giua hai chu so thi ta duoc so moi co ba chu so gap 7 lan so ban dau?
Tim hai so biet tong cua chung bang so lon nhat co ba chu so va hieu cua hai so do bang so lon nhat co hai chu so
tim so co ba chu so viet boi ba chu so 1,6 ,8 biet rang neu xoa chu so 6 di ta duoc so moi kem so ban dau 780 don vi
tim so co ba chu so biet rang chu so hang don vi la 2va neu xoa di chu so 2 do thi duoc so moi gap 2 lan so co duoc khi xoa di chu so hang tram
tim hai so chan co tong la 116 biet giua chung co ba chu so chan nua.