Biet trung binh cong hai so bang 10 hay tim so thu nhat neu biet so thu hai la hai
dien dap so
tim ba so co trung binh cong la 600 biet so thu ba gap 18 lan so thu nhat neu viet so thu nhat vao ben phai hay ben trai chinh no thi ta duoc so thu hai
Trung binh cong cua hai so bang 42.Tim hai so do ,biet rang so thu nhat hon so thu hai la 14
trung binh cong cua hai so la 2011. tim so thu hai biet so thu nhat tang len gap doi thi trung binh cong bang 3014 . tim so thu hai
trung binh cong cua hai so bang 2011 tim so thu hai biet so thu nhat tang gap doi thi trung binh cong hai so la 3014
cho ba so biet trung binh cong cua so thu nhat va so thu hai bang 239 trung binh cong cua so thu 2 va so thu 3 la 248 trung binh cong cua so thu ba va so thu nhat la 295.tim so thu ba
trung binh cong cua cac so le tu 10 den 20
trung binh cong cua ba so la 36 biet so thu nhat la 45 so thu hai bang 1/3 so thu nhat tim so thu 3
trung binh cong cua hai so la so 6482 tim hai so do biet rang neu tang so thu nhat them 246 don vi thi duoc so thu hai tim thu hai
trung binh cong cua hai so la 6482.tim hai so do ;biet rang neu tang so thu nhat them 246don vithi duoc so thu hai.tim so thu hai