Đệ quả là số 80
Cậu kb với mình nha!!!
48=3/5 của số lớn vậy số lớn là: 48:3x5=80
cho 2 so co tong bang 702 biet neu them vao so be 11 don vi va so lon 15 don vi thi duoc 2 so moi co ti so la 2,25 tim so lon
Tim so be, biet so be bang 2 5 so lon va neu them 36 vao so be ta duoc so lon.
so be bang 2/5 so lon.Tim so lon biet neu them 48 vao so be thi ta duoc so lon.Tim so lon
tong cua 2 so tu nhien la 630.tim so be biet neu bót so be di 19 don vi va them vao so lon 19 don vi thi so be bang 3/4 so lon
so be bang 1/5 so lon neu them 1 chu so 3 vao ben trai so be ta duoc so lon biet so be la so co hao chu so . Tim hai so do
Hieu cua 2 so la 41 biet neu giam so be di 19 lan va them vao so lon 12 don vi thi so be
bang 3/5 so lon tim hai so do
tim 2 so tu nhien co hieu la 45 biet rang neu them vao so lon 15 don vi va giam so be di 8 don vi thi duoc 2 so moi co thuong bang 5
tong cua 2 so tu nhien bang 630.tim so be biet,neu bot so be 19 don vi va them vao so lon di 19 don vi thi so be bang ba phan tu so lon.
hieu 2 so tu nhien la 56 biet neu them vao so lon 4 don vi thi so lon gap 5 lan so be tim so lon .
