Page 12 - DIGITAL BOOK MUHAMMAD AZWARDI NASUTION
P. 12
S = U + U + U + U + U 5
5
1
3
4
2
S = U + U + U + U −
2
1
4
4
3
S − S = U 5
5
4
Rumus
U = S − S n− 1
n
n
