" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(2ab caranya a2 = 25 yg berarti 12 1/2 x 2 dan b2 yg berarti 32 x 2, jadi 2ab = 2 x (a+b))