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celia51
@celia51
June 2021
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AIDE MOI S'IL VOUS PLAIT C'EST URGENT
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maudmarine
Verified answer
Exercice 1
a)
Calculer les expressions suivantes
:
A = 7 - 3 x (12 - 19)
A = 7 - 3 x (- 7)
A = 7 + 21
A = 28
B = - 6 +
10 - 2 x 14
14 - 23
B = 6 +
10 - 28
- 9
B = 6 - 18 : - 9
B = 6 + 2
B = 8
C = - (- 2 + 1) x (- 2 - 1) - (- 1 - 1) x (- 2 - 2)
C = - (- 1) x (- 3) - (- 2) x (- 4)
C = - (3) - (8)
C = - (- 5)
C = + 5
D = - 5 x (- 3 - 7 x 5) + 50 + (- 2)
D = - 5 x (- 3 - 35) + 50 - 2
D = - 5 x (- 38) + 50 - 2
D = 190 + 50 - 2
D = 238
b) On donne a = - 5, b = - 8, c = - 3, d = 7
E = abc
E = - 5 x - 8 x - 3
E = 40 x - 3
E = - 120
F = 2a - 3b
F = 2 x - 5 - 3 x - 8
F = - 10 + 24
F = 14
G = ab + cd
G = - 5 x - 8 + - 3 x 7
G = 40 - 21
G = 19
H = a - (b - c)
H = - 5 - (- 8 - 7)
H = - 5 - (- 15)
H = - 5 + 15
H = 10
0 votes
Thanks 1
celia51
merci yes un amour
maudmarine
:)
celia51
tu peut maidé pour le reste
maudmarine
quel reste ?
celia51
jai toute une feuille
maudmarine
Elle n'est pas entière on ne voit pas la fin, reposte un devoir
celia51
tu peut majouté
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Verified answer
Exercice 1a) Calculer les expressions suivantes :
A = 7 - 3 x (12 - 19)
A = 7 - 3 x (- 7)
A = 7 + 21
A = 28
B = - 6 + 10 - 2 x 14
14 - 23
B = 6 + 10 - 28
- 9
B = 6 - 18 : - 9
B = 6 + 2
B = 8
C = - (- 2 + 1) x (- 2 - 1) - (- 1 - 1) x (- 2 - 2)
C = - (- 1) x (- 3) - (- 2) x (- 4)
C = - (3) - (8)
C = - (- 5)
C = + 5
D = - 5 x (- 3 - 7 x 5) + 50 + (- 2)
D = - 5 x (- 3 - 35) + 50 - 2
D = - 5 x (- 38) + 50 - 2
D = 190 + 50 - 2
D = 238
b) On donne a = - 5, b = - 8, c = - 3, d = 7
E = abc
E = - 5 x - 8 x - 3
E = 40 x - 3
E = - 120
F = 2a - 3b
F = 2 x - 5 - 3 x - 8
F = - 10 + 24
F = 14
G = ab + cd
G = - 5 x - 8 + - 3 x 7
G = 40 - 21
G = 19
H = a - (b - c)
H = - 5 - (- 8 - 7)
H = - 5 - (- 15)
H = - 5 + 15
H = 10