Răspunsuri

2014-11-04T15:56:17+02:00
A=rd5-3+rd3-5+2rd5+3+24-4rd5=rd2+rd-2+4rd2+24-4rd5=5rd2+rd-2+24-4rd5
daca nu ai gresit un semn
b=2rd6+8rd5+2rd14