| Calculate the following expressions and associate the results with the letters.  
        
          | (40² – 30∙50∙90) : 10 = |  | L |  
          | 300 : 10 = |  | T |  
          | 6² + 9·6 = |  | S |  
          | 9·5 + 25 : 5 = |  | U |  
          | 66 : 3 - 2 = |  | I |  
          | 7² + 7·3 = |  | N |  
          | 2·2·20 = |  | K |  
          | 5·8 = |  | H |  
          | 8·9 - 3·4 = |  | A |  
          | 10² = |  | E |  
          | (37² – 32² – 45) : 10 + 100 = |  | V |  
          | 6 + 5·100  -  9·44 = |  | B |  
          | 16·√100 = |  | P |  
          | (15 + 3)² - 184 = |  | R |  
          | 5²·7 - 5 = |  | D |  
          | 30·4 = |  | C |  
          | 15·10 = |  | O |  |     Fill the tables with the letters.  We are from 
        
          | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 20 | 60 |    Our neighbours
        are
      : 
        
          | 110 | 100 | 10 | 150 | 140 | 50 | 90 | 90 | 20 | 60 |  
        
          | 30 ; 40 ; 100 | 110 | 60 | 10 | 30 | 20 | 120 | 90 | 100 | 60 |  |