" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2an + 2b - 6c - 2c + 2b - 12a
2an - 12a + 2b + 2b - 6c - 2c
2an - 12a + 4b - 8c
2(an - 6a + 2b - 4c)