GROS CHALLENGE, sauras-tu trouver x ? 1+7+13 + ... + x = 408
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17:45
Si x² + 5x = -25, que vaut x³
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13:22
COUP DE THÉÂTRE dans ce calcul : (Nombre d'or)⁸
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10:27
Your mission: that √(n²+6n+14) is an integer - Maths Expertes
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16:15
POURQUOI Δ = b² - 4ac ?
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14:31
tell me you dont like trig without telling me you dont like trig
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13:50
ENCORE UNE PÉPITE CE CALCUL D'AIRE
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11:31
Solving a 'Harvard' University entrance exam
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12:31