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Mathilde270401
@Mathilde270401
April 2019
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Calculer:
(développer)
A= (3/5+7/5) x (13/20 - 3/20)
Réduire:
A= 7x + 4y + 3x - 2y
Développer et réduire :
A= 3 (5a- 2b + 9)
B=5x (18b- 13c +8)
S'il vous plait aidez moi , merci beaucoup ! :)
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mounia7519
Verified answer
Calculer:
(développer)
A= (3/5+7/5) x (13/20 - 3/20) = 39/100 - 9/100 + 91/100 -21/100 = 100/100 = 1
Réduire:
A= 7x + 4y + 3x - 2y = 11x + 2y
Développer et réduire :
A= 3 (5a- 2b + 9) = 15a -6b + 27
B=5x (18b- 13c +8) =90xb -65xc+40x
Au plaisir de t'avoir aidé ! :)
1 votes
Thanks 1
maudmarine
Calculer :
(développer)
A = (3/5 + 7/5) x (13/20 - 3/20)
A = 10/5 x 10/20
A = 100/100
A = 1
Réduire:
A = 7x + 4y + 3x - 2y
A = 10x + 2y
Développer et réduire :
A = 3 (5a- 2b + 9)
A = 15a - 6b + 27
B = 5x (18b - 13c + 8)
B = 90xb - 65xc + 40x
0 votes
Thanks 1
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Lista de comentários
Verified answer
Calculer:(développer)A= (3/5+7/5) x (13/20 - 3/20) = 39/100 - 9/100 + 91/100 -21/100 = 100/100 = 1
Réduire:
A= 7x + 4y + 3x - 2y = 11x + 2y
Développer et réduire :
A= 3 (5a- 2b + 9) = 15a -6b + 27
B=5x (18b- 13c +8) =90xb -65xc+40x
Au plaisir de t'avoir aidé ! :)
A = (3/5 + 7/5) x (13/20 - 3/20)
A = 10/5 x 10/20
A = 100/100
A = 1
Réduire:
A = 7x + 4y + 3x - 2y
A = 10x + 2y
Développer et réduire :
A = 3 (5a- 2b + 9)
A = 15a - 6b + 27
B = 5x (18b - 13c + 8)
B = 90xb - 65xc + 40x