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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
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.
tong cua 2 so tu nhien = 630 tim so be biet neu bot so be 19 don vi tang so lon 19 don vi thi so be =3/4 so lon
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
Hieu cua 2 so bang 41.Biet neu giam so be di 19 don vi va them 12 don vi vao so lon thi so be bang 3/5 so lon.Tim 2 so do ?
Tong cua 2 so la 14. Neu them vao so lon 1,3don vi va bot o so be di 1,3 don vi thi so be bang 2/3so lon .Tim 2 so
tong 2 so la 222 biet neu tang so lon them 8 don vi va giam so be di 5 don vi thi so lon se gap doi so be tim so lon
tong cua 2 so bang 222 biet neu tang so lon them 8 don vi va giam so be di 5 don vi thi lon se gap doi so be tim so lon
tong cua hai so bang 222. biet neu tang so lon them 8 don vi va giam so be di 5 don vi thi so lon gap doi so be. tim so lon?