" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a₂=4,5
a₁=a₂
|7-a|=4,5
7-a=4,5 v 7-a=-4,5
-a=-2,5 v -a=-11,5
a=2,5 lub a=11,5