Răspunsuri

2014-05-12T15:45:25+03:00
6m+10c=205.5
8m+5c=219.5 /-2

6m+10c=205.5
-16m-10c=-439
=============(+)
-10m=-233.5
m=23.35 lei

6*23.35+10c=205.5
140.1+10c=205.5
10c=205.5-140.1
10c=65.4
c=6.54

mai concret ca nu am inteles nimic
unde te-ai pierdut?
nicaieri