= x:32=:21 70%:x=1.2:0.6
3:x=9:15 35:67=x:54 x:3.6=3:2.7
6:x=34:12 x2=0.150.6
4:8=x:24 14:x=15:12 56=35x
x:0.4=0.9:0.6 50:x=23:45 25x=5:8