Calculer les expressions suivantes en détaillant bien les étapes : 1. L = 15 - 25 - 10 x 4
6. Q = 165 - (25 x 3-4x (9+6)]
2. M = 70 + 42+ (-6)
7. R = 325 - (27 + (23-9x2) x 3] 5
8. S = 290 - 4 x 16+ 2 x (8-3) + 4]
3. N = 60 = [4-(-2)]
4. O = 7 +2,8 - 4 - 8 (5-2,5)
9. T = (18,2 -4,5) > [(0,8 +1,2) x 4] + 7
5. P = 150 - (180-5 (15+5 x 3) + 40 =21
10. U = 14,5-10 2,8 -8 < (0,7-0,2)]
6. Q = 165 - (25 x 3-4x (9+6)]
2. M = 70 + 42+ (-6)
7. R = 325 - (27 + (23-9x2) x 3] 5
8. S = 290 - 4 x 16+ 2 x (8-3) + 4]
3. N = 60 = [4-(-2)]
4. O = 7 +2,8 - 4 - 8 (5-2,5)
9. T = (18,2 -4,5) > [(0,8 +1,2) x 4] + 7
5. P = 150 - (180-5 (15+5 x 3) + 40 =21
10. U = 14,5-10 2,8 -8 < (0,7-0,2)]
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