" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1/3. phi. Ra2. t = 1/3. phi. Rb2. t
karena (1/3.phi.t) sama maka dicoret.
jadi Ra2 = Rb2
7^2 = 21^2
49 = 441
1 : 9