" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
½abc-4ab-2abc-cb+5ab =
-1,5abc+ab-cb =
-1,5*(-2)*½*(-4)+(-2)*½-(-4)*½ =
-6-1+2 =
-5