" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3 + 6 + 9 + ... + 99
Dengan,
a = 3
b = 3
Un = 99
a + (n-1)b = 99
3 + (n-1)3 = 99
3 + 3n - 3 = 99
3n = 99
n = 33
Sehingga,
Jumlah bilangannya adalah 1.683