" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2 :16
1:8
1+8=9
72/9=8
1*8=8g - wodór
8*8=64 - tlen
odp.a
72g=xg wodoru
18- 2
x=8 g
72-x g tlenu
18-16
x=64 g
odp A