" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
18.
L = KL. NK
= 12. 6
= 72
19.
21.
KN = 4,8
22.
2 QR = 45 - 3 QR
5 QR = 45
QR = 9