සංඛ්‍යා රටා අභ්‍යාස 2
 

 
1.  19 83 275 851 2,579 7,763

 
  23,315 69,971 209,939 629,843 1,889,555 5,668,691
පොදු අනුක්‍රමය 3x + 26

 
2.  44 93 191 387 779 1,563

 
  3,131 6,267 12,539 25,083 50,171 __________

පොදු අනුක්‍රමය 2x + 5

 
3.  18 67 165 361 753 1,537

 
  __________ 6,241 12,513 25,057 __________ 100,321

 
  200,673 401,377 802,785      

අනුක්‍රමය 2x + 31

 
4.  23 59 131 275 563 1,139

 
  __________ 4,595 9,203 18,419 36,851 73,715

 
  __________          

 

 
5.  49 265 1,345 6,745 33,745 168,745

 
  __________ 4,218,745 21,093,745 __________ 527,343,745  

 

 
6.  37 74 148 296 592 1,184

 
  2,368 4,736 9,472 __________ __________ 75,776

 

 
7.  34 104 244 524 1,084 2,204

 
  4,444 8,924 17,884 35,804 __________ 143,324

 
  286,684 573,404        

 

 
8.  21 69 165 357 741 1,509

 
  3,045 6,117 12,261 __________ 49,125 __________

 
  __________ 393,189 786,405      

 

 
9.  29 107 341 1,043 3,149 9,467

 
  __________ 85,283 255,869 767,627 2,302,901 6,908,723

 
  __________          

 

 
10.  31 150 626 2,530 10,146 40,610

 
  __________ 649,890 2,599,586 __________ 41,593,506 166,374,050

 

 
11.  52 192 612 1,872 5,652 16,992

 
  51,012 153,072 459,252 1,377,792 __________ 12,400,272

 
  __________ 111,602,592 334,807,812      

 

 
12.  48 107 225 461 933 1,877

 
  3,765 7,541 15,093 30,197 60,405 120,821

 
  __________ 483,317 966,645      

 

 
13.  26 108 354 1,092 3,306 9,948

 
  __________ __________ 268,986 __________ 2,420,994 __________

 

 
14.  46 191 771 3,091 12,371 49,491

 
  __________ 791,891 3,167,571 __________ 50,681,171 __________

 

 
15.  11 35 83 179 371 755

 
  1,523 __________ 6,131 12,275 24,563 49,139

 
  98,291          

 

 

 
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