" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Ppc = 2Pp + Pb
Pp = 2πr²
Pp = 2 * 4²
Pp = 32 cm
Ppc = 2 * 32 + ( nie umiem dalej :////