Răspunsuri

2014-04-19T20:03:57+03:00
P+c+j=63
p+5=c
p+c-7=j
p+p+5-7=j
2p-2=j
p+p+5+2p-2=63
4p+3=63
4p=63-3
4p=60
p=15   c=20  j=28