IN MATHESl PVRJ. 



12$ 



tertio haec: 



1 8, 128, 338, 648, 1058 etc. quorum differentiae funt 

 110, 210, 310, 410 etc. 

 quarto haec : 



32, 162, 392, 722, 1 152 etc. quorum dinerentiae funt 

 i3°j 2 30, 330,43oetc. 

 quinto haec : 

 50, 200, 450, 800, 1250 etc. quorum differentiae funt 

 150, 250, 350, 450 etc. 



ybl ex figuris finalibus mox patebit , quaenam operatio- 

 joes fint inutiles. 



Corolh 3. 



.60. A numeris autem fbrmae 8w-fi , qua- 

 ^drata tantum paria duplicata fubtrahi debent , vnde ex- 

 clufis quadratis imparibus duplicatis, fequentes numeri 

 erunt fubtrahendi : 



I. 8, 288, 96.8, 2048 etc. 

 280, <58o, 1080 

 400, 400 



IIJ. o, 200, 8oo, 1800 etc. 

 200, 600, 1000 

 400, 400 



II. 3?»39*, "52, 2312 etc. 

 ScTo, 760, 1160 



400, 400 



IV. 72, 512, 1352, 2592 etc. 

 440, 840, 1240 



400, 400 

 y. 128, 648, 1568, 2888 etc. 

 520, 920, 1320 

 400, 400 



Tom. VI. Nou. Cora. F f Coroll. 



