" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
|a-5|=1
a-5=1 v a-5=-1
a=6 v a=4
c)
|2-a|=0
a=2
d)
|7-a|=4,5
7-a=4,5 v a-7=4,5
-a=-2,5 v a=4,5+7
a=2,5 v a=11,5