+0  
 
0
654
1
avatar

2 2/5 *7 1/2

 Oct 22, 2015
 #1
avatar+12531 
+5

7 2/5 *7 1/2=37/5 *15/2=37 * 3/2=111/2=55 1/2

laugh

 Oct 22, 2015

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