Dart chart

Example

 
 
+4
 
 
 
 
.5
 
.3
 
 
 
 
+2
 
 

Solution

 
 
+4
 
 
 
7
11
 
.5
 
.3
 
35
33
 
 
 
+2
 
 
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Dart chart
Dart chart

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