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Emma54230
@Emma54230
April 2019
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EXERCICE 2 ( 8 points) Calculer en détaillant les étapes :
A = - 13 × 6 – 6 × 5
B = (2 – 5) × [6 + (4 – (– 7)) × 2]
C = 8−8×3 sur 6×2−4
D = −9×(−2)−(−4)×(−6) sur 15÷(−3)−3
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jenniphere27
Verified answer
A=-78-30
A=-108
B=-3×[6+(4+7)×2]
B=-3×[6+11×2]
B=-3[6+22]
B=-3×28
B=-84
C=8-24 sur 12-4
C=-16 sur 8
C=-2
D=18-24 sur -5-3
D=-6 sur -8
D= -3 sur -4
0 votes
Thanks 1
maudmarine
Bonjour,
A = - 13 × 6 – 6 × 5
A = - 78 - 30
A = - 108
B = (2 – 5) × [6 + (4 – (– 7)) × 2]
B = - 3 x (6 + (4 + 7) x 2)
B = - 3 x (6 + (11 x 2))
B = - 3 x (6 + 22)
B = - 3 x 28
B = - 84
C = 8−8×3 : 6×2−4
C = 8 - 24 : 6 x 2 - 4
C = 8 - 4 x 2 - 4
C = 8 - 8 - 4
C = - 4
D = −9×(−2)−(−4)×(−6) sur 15÷(−3)−3
D = 18 - 2 + 4 x - 6 : 15 : - 3 - 3
D = 18 - 2 - 24 : 15 : - 3 - 3
D = 18 - 2 - 1,6 : - 3 - 3
D = 18 - 2 + 0,53333333 - 3
D = 15,5333333
1 votes
Thanks 2
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Verified answer
A=-78-30A=-108
B=-3×[6+(4+7)×2]
B=-3×[6+11×2]
B=-3[6+22]
B=-3×28
B=-84
C=8-24 sur 12-4
C=-16 sur 8
C=-2
D=18-24 sur -5-3
D=-6 sur -8
D= -3 sur -4
A = - 13 × 6 – 6 × 5
A = - 78 - 30
A = - 108
B = (2 – 5) × [6 + (4 – (– 7)) × 2]
B = - 3 x (6 + (4 + 7) x 2)
B = - 3 x (6 + (11 x 2))
B = - 3 x (6 + 22)
B = - 3 x 28
B = - 84
C = 8−8×3 : 6×2−4
C = 8 - 24 : 6 x 2 - 4
C = 8 - 4 x 2 - 4
C = 8 - 8 - 4
C = - 4
D = −9×(−2)−(−4)×(−6) sur 15÷(−3)−3
D = 18 - 2 + 4 x - 6 : 15 : - 3 - 3
D = 18 - 2 - 24 : 15 : - 3 - 3
D = 18 - 2 - 1,6 : - 3 - 3
D = 18 - 2 + 0,53333333 - 3
D = 15,5333333