tim 1 so tu nhien co 4 chu so biet rang so do cong voi tong cac chu so cua no bang 1993 tim so do
Tim mot so tu nhien co 4 chu so . Biet rang so do cong voi tong cac chu so cua no thi bang 1993 ?
Tim 1 so tu nhien co 4 chu so .biet rang so do cong voi tong cac chu so cua no thi bang 1993
tim mot so tu nhien co 4 chu so biet rang so do cong voi tong cac chu so cua no thi bang 1993
tim 1 so tu nhien co 4 chu so biet rang so do cong voi tong cac chu so cua no = 1993
tim mot so tu nhien biet so do cong voi tong cac chu so cua no thi bang 2011
tim so tu nhien lon nhat co3 chu so khac nhau biet rang so do bang tong tat ca cac so co hai chu so khac nhau duoc lap tu ba chu so cua so do
Mot so co hai chu so bang 3 lan tong cac chu so cua no cong voi 7.Neu viet so do theo thu tu nguoc lai thi duoc so moi bang 7 lan tong cac chu so cua no cong voi 3.Tim so da cho
1. Tim trung binh cong cua tat ca cac so tu nhien co 4 chu so khac nhau duoc viet boi bon chu so 0;3;5;7.Trung binh cong cua tat ca cac so do la?
2 .Tong cua 3 so bang 5,2. So thu nhat bang 2/3 so thu ba va so thu hai bang 50% so thu ba. Tim so thu hai?
3. Tim mot phan so co mau so bang 25 , biet rang neu cong tu so voi 34 va nhan mau so voi 3 thi duoc phan so moi bang phan so da cho. Tim phan so do?
4. Tim mot phan so biet rang neu cong them 4 vao tu so va giu nguyen mau so thi ta duoc phan so moi bang 1, con neu giu nguyen tu so va cong them 3 thi ta duoc phan so moi bang 1/2 .Tim phan so do?
5. Hay cho biet co tat ca bao nhieu so co 3 chu so ma tong co chu so cua moi so bang 4 . co tat ca bao nhieu so thoa man?
