trung binh cong cua ba so bang 39 so thu nhat gap 3 lan so thu hai so thu hai gap doi so thu ba tim ba so
trung binh cong cua ba so bang 39 so thu nhat gap 3 lan so thu hai so thu hai gap doi so thu ba tim ba so do
trung binh cong cua 3 so bang 39 so thu nhat gap 3 lan so thu hai so thu hai gap doi do so thu ba tim so do
Trung binh cong cua ba so bang 51. So thu nhat gap ba lan so thu hai ,so thu hai gap doi so thu ba. Tim ba so do
trung binh cong cua 3 so la 90 . Tim moi so ,biet 1/2 so thu nhat bang 1/3 so thu 2 , so thu ba gap hai lan so thu nhat
trung binh cong 3 so la 91.Tim 3 so do, biet so thu nhat gap doi so thu hai,so thu hai gap doi so thu ba.
trung binh cong cua 3 so la 91. Tim 3 so do,biet so thu nhat gap doi so thu 2,so thu 2 gap doi so thu 3.
TRUNG BINH CONG CUA 2 SO LA 123 . SO THU NHAT LA SO BE NHAT CO BA CHU SO . TIM SO THU HAI
TRUNG BINH CONG CUA HAI CHU SO LA 135 . TIM HAI SO DO, BIET RANG SO THU NHAT GAP 4 LAN SO THU HAI
GIUP MIK NHA , MOI NGUOI
tbc cua 3 so la 67 trong do so thu nhat gap doi so thu 3 neu gap doi so thu nhat va so thu 3 thi trung binh cong cua chung bang 118 tim 3 so