" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
ciag arytmetyczny
ilosc wyrazow
(98-10)/2+1=44+1=45
r=2
S(45)=n(a1+an)/2=45(10+98)/2=45*54=2430
pozdr
Hans