cho 2 so tu nhien co tong bang 178. neu tang so thu nhat len 2 lan va giu nguyen so thu 2 thi tong tang them 20 don vi.tim so thu 2
cho hai so tu nhien co tong bang 178.neu tang so thu nhat len 2 lan vagiu nguyen so thu hai thi tong tang them 35 don vi ?ve so do giup minh nhe?giai giup minh nhanh nen minh gap lam?
tich cua 2 so tu nhien bit tich tang 240 dv neu thua so thu 2 tang 2 dv va tich giam 340 dv neu thua so thu 1 giam 5 dv.tim tich 2 so
tong hai so la 19,1. neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu hai thi duoc tong moi la 7,4. tim hai so do.
tong hai so la 19,1. neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu hai thi duoc tong moi la 7,4. tim hai so do.
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?
cho 2 so tu nhien co tong = 178 neu tang so thu nhat len 2 lan va giu nguyen so thu 2 thi tong tang them 35 don vi
tim so thu 2
Tim tích cua hai so tu Nhien, biết nếu giam thua so thu nhat di 6 dọn vi thi tích giam di 486 don vi, con nếu tang thua so thu hai len 4 dọn vi thi tích tang them 424 dọn vi.
tong cua 2 so la 19,1.Neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu hai thi duoc tong moi la 7,4.Tim hai so do?