" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-4 - (-2) = -4 +2 = -2
misal= si A utang uang sebanyak 4 rupiah ke si B dan si A membayar utangnya ke siB sebesar 2 rupiah otomatis utang si A ke si B tinggal 2 atau = - 2