" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a (suku pertama) = 12
b (beda / loncat) = 6
s15 = 1/2 x n {2a + (n - 1) x b}
= 1/2 x 15 {2 x 12 + (15 - 1) x 6}
= 7,5 (24 + 14 x 6)
= 7,5 (24 + 84)
= 7,5 x 108
= 810
maaf jika salah, semoga membantu
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, ...
bilangan asli antara 10-100 yang habis dibagi 6 adalah : 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96.
semoga membantu :)