Các câu hỏi tương tự
tong hai so la 143.tim hai so do biet neu xoa di chu so 0 o tan cung ben phai so thu nhat thi duoc so thu hai
tong hai so la 143.Tim hai so do biet neu xoa di chu so 0 o tan cung ben phai so thu nhat thi dc so thu 2
hieu 2 so la 152 . Tim 2 so do , biet neu xoa di chu so 8 o tan cung ben phai so thi nhat thi duoc so thu 2
hieu hai so la 152.tim hai so do,biet neu xoa chu so 8 o tan cung ben phai so thu nhat thi duoc so thu hai.
Tong 2 so la 231. Neu viet them chu so 0 vao ben phai so thu nhat thi duoc so thu 2 . Tim 2 so do.
tong cua 2so la 295 neu bo mot chu so 0 o ben phai so thu hai thi ta duoc tong moi la 187 tim 2 so do
tim 2 so biet trung binh cong cua 2 so la 136.neu xoa chu so 2 ben trai cua so thu nhat thi duoc so thu hai
tong hai so bang 187. Neu viet them chu so 0 vao ben phai so thu nhat thi duoc so thu 2. Tim hai so do
Neu xoa chu so 0 o tan cung ben phai cua 1 so tron chuc thi duoc 1so moi hieu cua so tron chuc va so moi la 2169 tim so tron chuc do