Các câu hỏi tương tự
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...
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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?
tim 3 so biet chung co tong bang 417 neu giam so thi nhat 17 don vi thi bang tong cua so thu 2 va so thu 3 biet so thu nhat chia cho so thu 3 duoc 3 du 7 tim 3 so
Hai so co tong bang 157.5 . biet 50% so thu nhat nhat bang 2\3 so thu 2.tim so thu nhat?
cho 3 so co tong bang 441.biet 30%so thu nhat bang 50% so thu 2 va bang 150% so thu 3.tim so thu nhat
Tim tong 3 so co tong bang 185,5.Biet rang neu lay so thu 1 chí cho so thu 2 thi duoc thuong bang 3 , con neu lay so thu 2 chia cho so thu 3 thi duoc thuong bang 1,5
Tim 3 so biet rang chung co tong bang 417. So thu 1 neu giam 17 don vi thi bang tong cua so thu 2 va so thu 3, so thu 1 chia cho so thu 3 thi duoc thuong la 3 du 7
cho 3 so co tong bang 307.5 biet 1/3 so thu nhat bang 40% so thu hai bang 50% so thu ba tim so thu nhat.
tong cua hai so bang 310 biet 2/3 so thu nhat bang 1/2 so thu hai .tim so thu hai ,so thu ba biet so thu nhat bang 60 ?
cho 3 so co tong bang307,5.Biet 1/3so thu nhat bang 40% so thu hai .bang 50% so thu 3.Tim so thu nhat