Răspunsuri

2014-09-09T10:47:53+03:00
A-b=1904
a:b=18 r 85
a=18b+85
18b+85-b=1904
17b+85=1904
17b=1819  b=107 
a=1904+107=2011
1 5 1
2014-09-09T10:49:40+03:00
A-b=1904
a:b=18 r 85
a=b * 18 +85
a=b18 +85

Inlocuim:

b18+85 -b =1904
17 b=1904 -85
17 b= 1819
b=1819:17
b=107
a= 107*18 +85
a=2011

proba:

2011-107=1904

Sper ca te-am ajutat!