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Correction séance 1préparation 1
Séance 1 1. A= -2+[-5-(-6)] A=-2+[ -5+6 ] A=-2+(+1) A= -1 B= 1 3 + 5 3 × 6 7 B= 1 3 + 5 ×6 3 ×7 B= 1 3 + 30 21 B= 1 ×7 3 ×7 + 30 21 B= 7 21 + 30 21 B= 37 21 2. Soit E= 2x2 -5x+4 .... [More]
