" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(2a-b)elevado a 2 eso es igual a (2a-b) (2a-b)
Se hace todos con todos...
4a2 - 2ab -2ab +b2
4a2-4ab+b2