Răspunsuri

2014-09-25T20:26:11+03:00
N:5=c r  r<5 => c,r=0,1,2,3,4
n=5c+r
r=0 =>c=0 => n=0
r=1 => c=1 => n=6
r=2=> c=2 => n=12
r=3 => c=3 => n=18
r=4 => c=4=> n=24