Réponse:
1) c × c = 20 × 20 = 400 = 20²
2) c × c = 6 × 6 = 36 = 6²
3) l × L = 20 × 6 = 120 = ~10,96² = 11 (arrondie a l'unité)
4) l × L = 20 × 6 = 120 = ~10,96² = 11 (arrondie a l'unité)
= 11²+11²+6²+20² = ~50²
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Réponse:
1) c × c = 20 × 20 = 400 = 20²
2) c × c = 6 × 6 = 36 = 6²
3) l × L = 20 × 6 = 120 = ~10,96² = 11 (arrondie a l'unité)
4) l × L = 20 × 6 = 120 = ~10,96² = 11 (arrondie a l'unité)
= 11²+11²+6²+20² = ~50²