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EXERCICE 2A - AlloSchool

... 2a + 7) = (?3a² ? 6) ? (2a² + 7a ? 6a ? 21). = (?3a² ? 6) ? (2a² + a ? 21) = ?3a² ? 6 ? 2a² ? a + 21 = ?5a² ? a + 15. J = 4 ? (2x + 1)² = 4 ? [(2x)² + 2 × 2x ...

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TRIANGLE RECTANGLE EXERCICE 2A

A l'aide de la machine, on détermine l'angle. EXERCICE CORRIGE. On connaît : BC = 5 et x = 25°. On cherche : AC. 1. ABC est rectangle en B : 2. sin x = BC. AC.

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