Hieu cua 2 so la12352 Neu them vao so lon 5634 don vi va them vao so be 1206 don vi thi tong cua 2 so la 25382 Tim 2 so ban dau
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.
tong cua 2 so la 51 neu them 25 vao so be va bot 16 o so lon ta duoc hai so co ti so la 2 tim hai so luc dau
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.
Hieu 2 so la 18.Neu them 6 don vi vao so lon va giu nghuyen so be thi ti so cua hai so la3/5.Tim 2 so do
cho hai so co 2 chu so sao cho tong cua hai so do bang 78. neu ta dem so be ghep vao ben phai hoac ben trai so lon thi deu duoc so 4 chu so va hieu cua hai so co 4 chu so do la 594. tim 2 so
Tong cua 2 so la 425 . Neu cung them vao moi so 5 don vi thi duoc 2 so co hieu la 15 don vi . Tim so be
tong cua 2 so la 36.biet so be la so co 1 chu so va khi viet them chu so 2 vao ben trai so be thi se duoc so lon .tim 2 so do
