13 



^cof. XCpz=:p, 9877885 

 5 



ZN2 — 0,7525750 



ZAnz 0,7403635 

 ideoque A ~ 5, 5. 



Z lin. X CJ) = p, 3^89443 



ZN2=: 0,7525750 



Siimma ziz o, 1 215 193 



Z ■/ 7 = o, 4225490 



ZB— 9, 6989703 

 jdeoque B = c, 5. 



VHde fequitur fore 2^~(5|)^-j-7 (If» ideoque per 4 multi- 

 plicando erit 2^ zr ( 1 1 )2 -I- 7 ( i )^. 



5. 1 6. QLiinta autem fra6lio ^ hic eit memorabilis , 

 quia habet indicem xo, ideoque valde paruum valorem pro 

 B pollicetur. Sit igitur X— 13 , eritque 13 (f)=i= 900°, 50^5 

 14^^,71, iiue binis reQis , quoties fieri poteft, fubdu6lis, erit 

 13 0— 0°, 50^, 14^^, 71, vnde litterae A etB fequenti modo 

 definientur : 



l cof. X $> 

 l 22 



9^999952^ 



l A — I, 9566485 

 A=:90, 5 



l fin. X(pz=z s$ 164S107 

 l 22 



I, 9566949 



Summa ~ Cj,-,i2i5C56 



ly 7 ~ 0,4225490 



/ B m 9, &^)i^$66 

 ideoque B == c, "49999 z=z c, 5 



vnde fequitur fore 2" — (90^)^ -}- 7 (|)^^ fiue per 4 multipli- 

 cando erit 2^^ =: ( isi )^ H- 7 ( i )^; vbi valdr ipfius B tam 

 paruus prodiit, quoniam index refpondens 1 6 eft praemagnus. 



5. 1 7. Hinc iam fatis intelligitur , ex fequentibus 



fraftionibus tales cafus, quibus B fiat vel | vel i, refultare 



non poffe, nili indices fuprafcripti adhuc midto fuerint ma- 



B 3 io- 



