" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1/-20 = 1/30 + 1/si
1/-20 - 1/30 = 1/si
3/-60 - 2/-60 = 1/si
1/-60 = 1/si
-60 = si
banyangan yang terbentuk maya, 60 cm di depan lensa