Dirichlet pigeonhole principle 2
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13:21
Combinatorial arguments 1
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15:33
GCDs and linear combinations 3: subgroups of Z
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19:49
GCDs and linear combinations 4: conclusion
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31:33
O Mais Antigo Problema Não Resolvido da Matemática
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9:51
3ˣ = x⁹ : uma questão IMPOSSÍVEL? 😮
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17:13
Um avanço no quadrado mágico - Numberphile
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17:45
Combinatorial arguments 2
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18:25