Răspunsuri

2014-10-05T19:46:33+03:00
N+2; n+3; n+4; n+5
n+2+n+3+n+4+n+5=4n+14
4n+14=0
4n=-14
n=-14/4
n=-3,5
-3,5+2-3,5+3-3,5+4-3,5+5=0
Deci raspunsul este 0.