Cevaplar

2013-02-13T18:31:08+02:00

5!=5.4.3.2.1=120

 

 

6!=6.5.4.3.2.1=720

 

 

120+720=840

0
2013-02-13T18:40:23+02:00

5!+6!=5!+6.5!=7.5!...............................................

0