Leonhard Euler
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Leonhard Euler (15 Epril 1707 – 18 Septemba 1783) i bin wan man blong matematikis, fisikis, astronomi, lojik mo enjiniring blong Switzerland.
Leonhard Euler (15 Epril 1707 – 18 Septemba 1783) i bin wan man blong matematikis, fisikis, astronomi, lojik mo enjiniring blong Switzerland.