" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(12p+7q-6)-(15p-18q-17) = 12p+7q-6-15p-18q-17 = 12p-15p+7q-18q-6-17 = -3p-11q-23