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# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis (shelfmarks Leibn. Marg. 100:1/2, Stück 2; Leibn. Marg. 100:1/2)
# Folio 829, page id 851708439:0853
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p
E P IS FOL IC U M.
D. Wallisium aliud in suo problemate incendiste, et aliam solurionem expectalte,
cum huie acquiescere non debeat. Proponatur igitur problema ut sequitur. In-
renire duos quadratos incer se primos quorum linguli juncti suis parcibus taciant
eandem summam.
Sequuneur lacera quadratorum, qui quaelicum prxestant. Si enim quadratus nu-
meri 326 jungacur luis parcibus, etticier lummam 187F3F: Timiliter de quadratus
numeri 407 junctus luis parcibus dabic eandem Cummam 187F3F. HlaC verO
summa dacur in parcibus, poH sex priores quadratorum copulaciopes.
(N. B. Nameros quos ille ex plaribus inter se ductis compositos exhibuit, vi-
sum est (in Lectoris eratiam ’in componentes item resolvere, e mendis ali-
quot liberore) quo totum artificium rectius percixiat Lector,  (si libet) exa-
minure possit. 
uu Lacera Oractrarorum.  11P. 3t
326(= 2X163
407 (== TTX37)
627 (= 3XTLX19)
749(= 7X 107
251O( =- 2 XGX F5T)
1809(= 3x3x3267
T3066 (== 2 X47X139
5400L (= 3X13 X350)
T0686(= 2X3X13X137
27532
=47 23731
T463EF (= TZX 47X283)
247623 (= 13483X137)
36T232 (= 2X2X2 X2X1O7X2FY)
487173 (= L9XT37XF92)
343052 (= 2X2 X2X2 X7 X 37X83)
507459 (= 212 163X283)
724E52 (= 2X2Y2X3XTFXI3X2∞1)
219594 C (= 7XXOX47XT9F
fei iceri Summa.
aut L87 ESL (= 3Z7X7XZ9X67
FETAOB(= 2X2X2X2X3XTTX2F1)
283169 (= 7 x. 137 X X9C)
1t e
ectocs
658740 (= 3X7XP3H 19X 2271
498080+ (= 3x7X7X3LY 1093)
307464339 (= 3X7X L3XBZX6PX +99)
32485827F ( = 3XZ XI7 XL3Y37H6LX13)
241264475+3 (347XLGX37X6ZH7343671
X3X13
373F,3749, 73, 127, 160.
 S1L 7,7 13, T3
31 18, 31,37,49,73, 163.
333,77 29,10
d, 48, 67, 73, 36F, 367.
3,3
13, 13
1738 18,34, 37, 61, 127, 169.
(. Sequebantur hie aliae vinorum copulationes 27. )
Ptures alii bini quactrari reperiri possent, sed ad alia operandum est. Non
Tolum enim bini quadraci partibus luis juneti eandem summam conticere ralent;
sed etiam trini, quatrini, quini, seni, ec. idem praestare pollunt quadraci et in-
ter se primi. Trini aurem, quatrini, dc. Guadrau dicuntur inter se primi, quando
nullus numerus hos omnes dimetiri porelt SiC quadrati 9, 16, 225, 324, hic
dicuntur inter se primi, quia nulla est iplis quatuor communis mentura, quanquam
ires ex ictis habeane numerum s communetm menturam.
Frini quadrati.
Patera quadratorum.
245828(== 2XEXILX37 X151)
294867 (= 3X3X3267X2631,
307285 L=SXLL X37 ~ 157
Summa.
133151753E33 (= 3X3X7X7 X7 XTOH3L467 X 1093)
M M M M M 3
Latera