Các câu hỏi tương tự
trung binh cong cua 3 so la 148 . biet rang neu viet them so chu so 0 vao ben phai so thu nhat thi duoc so thu 2 .viet them so 3 vao ben phai so thu nhat thi duoc so thu 3.tim trung binh cong so thu 1 va so 3
Trung binh cong cua 3 so la 85. Neu them 1 chu so 0 vao ben phai so thu hai thi duoc so thu nhat, neu gap 4 lan so thu hai thi duoc so thu ba. Tim 3 so do.
Ba so co trung binh cong la 60 , biet neu them chu so 0 vao phia ben phai so thu nhat thi duoc so thu nhat bang 1/4 so thu ba. Tinh nhanh minh tick cho
trung binh cong cua hai so la 46 neu viet them chu so 4 vao ben phai so thu nhat thi duoc so thu hai .tim hai so do
trung binh cong cua 2 so la 475. neu viet them chu so 4 vao ben phai so thu nhat thi duoc so thu hai . tim so thu 2
Trung binh cong 4 so la 50.So thu nhat bang so thu tu.Neu them mot chu so 0 vao ben phai so thu 2 thi ta duoc so thu nhat.Neu gap 4 lan so thu 2 thi ta duoc so thu 3.Tim so thu hai
Trung binh cong cua hai so la 46.Neu viet them chu so 4 vao ben phai so thu nhat thi duoc so thu hai. Tim hai so do
trung binh cong cua ba so là 25 neu them chu so 0 vao ben phai so thu hai thi duoc so thu nhat neu tang so thu hai len 4 lan thi tim duoc so thu ba tim ba so do
cac ban tra loi giup minh nha minh dang can trong bay gio
tim 2 so biet trung binh cong cua 2 so bang 245 neu them so 4 vao ben trai cua so thu nhat thi duoc so thu 2
tim so thu nhat va so thu hai