1+3+5+7+8....+99 please
Matematika
Sevaderossi
Pertanyaan
1+3+5+7+8....+99 please
1 Jawaban
-
1. Jawaban novapratiwi19
n = 99+1/2 = 50
sn = n/2(2a+(n-1)b)
s50 = 50/2(2.1+(49)2)
s50 = 25.100
s50 = 2500