Các câu hỏi tương tự
Trung binh cong cua 3 so la 142,5 . Biet so thu nhat bang 25% so thu ba va neus viet them mot chu so 0 vao ben phai so thu nhat thi duoc so thu hai . Tim so thu ba
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 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 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.
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
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 3 so la 75 . Neu them cs 0 vao ben phai so thu 2 tthi duoc so thu nhat , neu gap 4l so thu 2 thi ta dc so thu 3 . Tim so thu nhat .
ai lam xong truoc , lam dung , trinh bay dung thi mik tik cho
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 101 neu viet them chu so 1 vao ben trai so thu nhat thi duoc so thu hai tim hai so do