Dart chart

Example

 
 
+9
 
 
 
 
.3
 
.2
 
 
 
 
+15
 
 

Solution

 
 
+9
 
 
 
3
12
 
.3
 
.2
 
9
24
 
 
 
+15
 
 
home
home

Dart chart
Dart chart

Number of exercises: