Question

Tìm N,x biết:

[(123x-456)]+25=1256

Answer 1

[(123x-456)]+25=1256

=>123x-456=1231

=>123x=1687

=>x=1687/123

Answer 2

\(\left[\left(123x-456\right)\right]+25=1256\)

\(123x-456=1231\)

\(123x=1231+456\)

\(123x=1687\)

\(x=1687:123\)

\(x=13\frac{88}{123}\)

Vậy \(x=13\frac{88}{123}\)

Answer 3

ai biết