Răspunsuri

2014-11-10T09:18:36+02:00
X/rad 10=2rad5/rad2+3 rad 2/rad5
x/rad10=2rad25/rad10+3rad4/rad10
x=2x5+3x2
x=10+6=16
marcheaza-l daca e cel mai bun raspuns!multumesc!