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#20
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![]() $1 Tri = $12
5/4,10,12,20/4,10,12,20 $1 Tri = $12 18,20/4,5,18,20/4,5,18,20 $1 Tri = $8 5/1,6/1,4,6,18,20 $1 Tri = $16 5,15/1,5,15,16/1,10,15,16 |