" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
500 cm * 400 cm = 20 000 cm^2
b=400cm=4m
P=4*b
P=5m*4m
P=20m²
p=200000cmkwa.=2000m kwadratowych