Jawabanmu

2014-09-01T19:50:58+07:00
1/2 x 99 x (1 + 99 ) = 49,5 x 100 =4950
99+1 =100 jadi semua ganjil jawabanya 100dikali 25 =2500
99 : 2 = 49, 5 dikali 100 = 4950
2014-09-01T20:04:48+07:00
1 sampai 10
11
21
31
41
51
61
71
81
91 sampai 100

=10+ (5x8) + 100
=10+ 40 + 100
=150
=150/2 x 100
=1700