" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-pq-q+q-pq=-2pq
x²-2y²+xy-x²+2y²+xy=2xy
^oznacza kwadrat a^ =a do kwadratu
a^-b^+2b^-2a^=b^-a^
-a^+b^=b^-a^
-pq-q+... = -2pq
-pq-q+g-pg=-2pq
-2pg=-2pq
x²-2y²+... =2xy
x^-2y^+2y^+2xy-x^=2xy
2xy=2xy
POWODZENIA