January 2021 0 201 Report
Bonjour, équation et fractions. x² = (4-x/2)²

Pour l'instant, j'en suis à:

x² = 4² - 2x4x(x/2) + (x/2)²
x² = 16 - 8x/2 + x²/4

Après je bloque...
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