Rahisisha 40(2k)
Suluhu
 =40(2k)
=40
x 2 x k
=(40
x 2) x k
=(40)
x k
=40k
Hivyo  40(2k)=120k
ZAMU YAKO……………………….
Rahisisha 35(2k)
2 
 | 
  
30 
 | 
  
68 
 | 
 
2 
 | 
  
15 
 | 
  
34 
 | 
 
3 
 | 
  
15 
 | 
  
17 
 | 
 
5 
 | 
  
5 
 | 
  
17 
 | 
 
17 
 | 
  
1 
 | 
  
17 
 | 
 
1 
 | 
  
1 
 |