128 gồm tích 2 số sau
128 x 1 = 128 => \(\frac{128}{1};\frac{1}{128}\)
64 x 2 = 128 => \(\frac{64}{2};\frac{2}{64}\)
32 x 4 = 128 => \(\frac{32}{4};\frac{4}{32}\)
16 x 8 = 128 => \(\frac{16}{8};\frac{8}{16}\)
viet tat ca cac phan so co tong cua tu so va mau so bang 7
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?
hay cho biet co tat ca bn phan so nhor hon 1 ma tich cua tu so va mau so cua moi ps do bang 120
hay cho ciet co tat ca bao nhieu phan so co tong cua tu so va mau so cua moi phan so bang 2016
hay cho biet co tat ca bao nhieu phan so co tong cua tu so va mau so bang 2016
hay cho biet co tat ca bao nhieu phan so ma tich giua tu so va mau so bang 60
hay cho biet co tat ca bao nhieu phan so ma tong cua tu so va mau so cua moi phan so do bang 2017
hay cho biet co tat ca bao nhieu phan so ma tong cua tu so va mau so cua moi phan so do bang 2013
hay cho biet co tat ca bao nhieu phan so nho hon 1 ma tong cua tu so va mau so cua moi phan so do bang 200 ?
tra loi : co tat ca ............ phan so thoa man de bai.
