" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
0,04+6-0,06x=5
0,04x-0,06x=5-6
-0,02x=-1
x=50
100-50=50
odp:musi wziąć po 50 kg żelaza