" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3,6dm = 2r |:2
r= 1,8 dm = 18 cm
c)2PIr = 4PIcm |:2
PIr = 2PIcm :|PI
r= 2cm
a) tutaj jest jakiś błąd w zapisie