duze kolo zebate o 120 zebach obraca sie tak ze napedza male kolo zebat. duze kolo obrozilo sie 40 razy a male kolo obrocilo sie w tym samym czasie 60 razy. Ile zebow ma male kolo?
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x1*y1=x2*y2
120*40=60*x
60x=4800/:60
x=80