Rozwiąż równanie z niewiadomą n: 3+9+15+ ... + (6n-3) = 363
WAŻNE!!!!
n>0
(3+6n-3)n/2=363
6n^2=726
n^2=121
n=11
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
n>0
(3+6n-3)n/2=363
6n^2=726
n^2=121
n=11