Teachers and parrents

Instructions:

Insert numbers into empty fields in triangle (grape). The sum of two neighbouring numbers in one row must be equal to number below those fields. You may use only "pranskters" - numbers, which are known and located below triangle (grape).

Example

5
20
29
0
  
20
  
25
  
29
  
45
  
49
  
94
  

Solution

5
20
0
29
25
20
29
45
49
94

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