Teachers and parrents

Instructions:

Fill numbers in the blank fields so that the value of the field, where the arrow is pointing, is result of mathematical operation close to the arrow and the number from field where arrow is starting.

Example

 
 
+7
 
 
 
 
 
 
 
.4
 
 
+8

Solution

 
 
+7
 
 
5
 
 
12
 
 
 
.4
 
20
 
+8

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