" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
4*9*30=30*n²
36*30=30 n²
1080=30 n² /÷ 30
n² =36 /÷ √
n=√ 36
n=6 D
=36
n=6, czyli odp d