" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
b= 4
a+(n-1)b
23+12×4 = 71.
kursi ke 13= 71 kursi
2.27
3.31
4.35
5.39
6.43
7.47
8.51
9.55
10.59
11.63
12.67
13.71
jadi pada baris ke 13 terdapat 71 kursi