hieu cua hai bang 784 tim hai so do biet rang neu them vao so lon hon 1230 don vi thi tong cua chung bang bang 14682
Hieu hai so bang 45.Neu them vao so lon 14 don vi thi tong cua chung bang 197.Tim hai so do.
So lon la:
So be la:
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 la 25750.neu them so be 125 don vi va giam so lon 90 don vi thi so be bang 2/3 so lon tim hai so do
hieu cua hai so la 35,neu so be them 3 don vi thi bang 3/4 cua so lon .Tim hai so do.ve ca so do
day la bai toan hieu tỉ
tong cua hai so la 425 neu them vao moi so la 5 don vi thi duoc hai so co hieu la 15 don vi tim so be
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
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.