Răspunsuri

2014-04-24T11:12:17+03:00
L+m=12
10l+12m=128  inmultim prima ecuatie cu -10
-10l-10m=-120  prin adunarea celor 2 ecuatii obtinem
/2m=8   m=4   l=8
2014-04-24T12:32:28+03:00