Trung binh cong cua ba so la 27. Biet so thu nhat hon tong hai so con lai la 15. Tim so thu nhat.
trung binh cong cua 3 so la so be nhat co 3 chu so khac nhau . biet so thu hai bang trung binh cong cua 2 so con lai . so thu 3 hojn so thu nhat la 14 . tim 3 so do.
trung binh cong cua ba so la 25,42.tong cua so thu nhat va so thu haiva so thu ba la 58,5.biet so thu ba hon so thu nhat la 7,4.tim ba so do
trung binh cong 3 so la 98.9.tim so thu nhat biet rang so thu nhat bang trung binh cong cua 2 so con lai
Trung binh cong cua 3 so la 21,2. Biet tong cua so thu nhat va so thu hai la 51,2. Tim so thu ba???
trung binh cong cua 3 phan so la 31/90 . neu tang so thu 2 lan thi trung binh cong 3 so la 23/45 . biet so thu 2 hon so thu 3 la 2/15 tim so thu nhat
Trung binh cong cua ba so la 52. So thu ba bang trung binh cong cua so thu nhat va so thu hai. So thu nhat hon so thu hai la 24. Tim so thu nhat ?
TRUNG BINH CONG CUA HAI SO LA 23,8 BIET SO THU NHAT LON HON SO THU HAI 4,5 DON VI TIM SO THU NHAT
trung binh cong cua ba so la 13,5. biet tong cua so thu nhat va so thu hai la 29,1. tong cua so thu hai va so thu ba la 24,7. hay tim ba so do.