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| Llibres | Llibres |
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| Llibres | Llibres |
 Notions 1. Things which are equal to the same thing are also equal to one another. 2. If equals be added to equals, the wholes are equal. 3. If equals be subtracted from equals, the remainders are equal. 4. Things which coincide with one another are equal...  Euclid, book i., propositions i. to xxvi., with exercises and alternative ... - Pàgina 7 per Euclides - 1877 Visualització completa -
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