tong cua hai so la 425 neu cung them vao moi so 5 don vi thi duoc hai so co hieu la 15 don vi vay so be la....
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
tong hai so la 425 neu cung them vao moi so 5 don vi thi duoc 2 so co hieu la 15.Tim so be
Tong cua hai so la425 neu cung them vao moi so 5 don vi thi duoc hai so co hieu la 15 don vi tim so be
tong cua hai so la 425.neu cung them vao moi so5don vi thi duoc hai so co hieu la15don vi. tim so be
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
tim 1 phan so, biet rang neu cong them 2 don vi o tu so va bot 2 don vi o mau so thi duoc phan so moi co tong tu so va mau so la 97.Neu them vao tu so 7 don vi va bot 8 don vi o mau so thi duoc phan so moi co gia tri bang 1
Hieu cua 2 so la so lon nhat co 3 chu so . Neu them vao so bi tru 215 don vi va them vao so tru 73 don vi thi hieu moi la bao nhieu ?
tong cua 2 so la so lon nhat co 3 chu so chia het cho 5.biet neu them va so be 35 don vi thi ta duoc so lon. tim moi so.