Sum of two squares theorem - Wikipedia
Por um escritor misterioso
Descrição

Thales's theorem - Wikipedia

Parallelogram law - Wikipedia

Change of basis - Wikipedia
Partition of sums of squares - Wikipedia

Descartes' theorem - Wikipedia

Pythagorean Theorem Notes

Binomial coefficient - Wikipedia

Fermat's Theorem on Sums of Two Squares and Irreducibles in Z[i

Square (algebra) - Wikipedia
What was the actual text of Fermat's margin note claiming to have
de
por adulto (o preço varia de acordo com o tamanho do grupo)