Jawabanmu

2014-09-03T19:22:21+07:00
(n+1/2)pangkat dua 99+1/2=100/2=50pangkat 2 = 2500
2014-09-03T21:14:58+07:00
[(1+99) ; 2 ] x 99 = (100 : 2) x 99 = 50 x 99 = 4950