Tong hai so la 130.Neu viet them chu so 1 vao ben trai so thu nhat [co hai chu so ] thi duoc so thu hai. Tim hai so do
tim hai do co tong la 454 va neu them chu 4 vao ben trai so thu hai thi duoc so thu nhat
tim so thu nhat
tim so thu hai
Trung binh cong cua hai so la 36.Neu viet them chu so 6 vao ben trai so thu nhat thi duoc so thu hai.
tim hai so do
giup mik nha moi nguoi
tong 2 so la 454 va neu viet them chu so 4 vao ben trai so thu 2 thi duoc so thu nhat . tim 2 so do
tong cua hai so bang 440 neu viet them chu so 4 vao ben trai so be thi duoc so lon. tim hai so do biet so be la mot so co 2 chu so.
tong cua hai so bang 440 neu viet them chu so 4 vao ben trai so be thi duoc so lon. tim hai so do biet so be la mot so co 2 chu so.
Trung binh cong hai so la 39 . Neu viet vao ben trai so thu nhat chu so 7 thi duoc so thu hai . Tim hai so do
tong cua hai so bang bon trambon muoi sau neu viet them chu so 4 vao ben trai so be thi duoc so lon. tim hai so do biet so be la mot so co 2 chu so.
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