Răspunsuri

2014-04-24T19:15:10+03:00
A-b=23
a:b=5,  rest 3⇒ a=5b+3
inlocuim in prima relatie (5b+3)-b=23
4b=23-3
4b=20
b=20/4=5
a=23+b
a=23+5=28
1 5 1
2014-04-24T19:21:05+03:00
|---|---|---|---|---|+3
|---|     23-3=20   20:4=5 un sg si nr mic
5x5+3=28   V=28-5=23
1 5 1