1,4/0.2=0.63/0.09
7/0.28=2/0.08
1,8/6=0.09/0.3
6/1,8=30/9
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1,4/0.2=0.63/0.09
7/0.28=2/0.08
1,8/6=0.09/0.3
6/1,8=30/9