Triangles with pranksters

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

15
25
98
2
  
12
  
13
  
21
  
33
  
40
  
58
  

Solution

2
13
12
21
15
25
33
40
58
98
home
home
Triangles with pranksters
Triangles with pranksters

Number of exercises:

Exercises with more solutions

Number of exercises: