a) C:H=1:4
b) C:H=2:6=1:3
c) C:H=7:16
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) C:H=1:4
b) C:H=2:6=1:3
c) C:H=7:16