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Clara065
@Clara065
January 2021
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J'ai un DM de maths pour lundi ! Je n'arrive pas à l'exercice 3.
Svp aidez moi.
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gsantha
Verified answer
Bonjour voilà la réponse
54/26 - 2
= (54/2)/(26/2)-2
= 27/13 - 2
= 27/13 - (2*13)/(1*13)
= 27/13 - 26/13
= (27-26)/13
= 1/13
=> M
11/15+2/3*4/5-4/15
= 11/15+(2*4)/(3/5)-4/15
= 11/15+8/15-4/15
= (11+8-4)/15
= 15/15
= 1
=> A
4%
= 4/100
= 2/50
= 1/25
=> Y
1-6/19*3
= 1-(6*3)/19
= 1-18/19
= (1*19)/(1*19)-18/19
= 19/19-18/19
= (19-18)/19
= 1/19
=> S
Pour le dernier je n'y arrive pas désolé.
> MAYS.
Voilà j'espère tout de même avoir pu t'aider
0 votes
Thanks 0
Clara065
Oui merci à toi
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Verified answer
Bonjour voilà la réponse54/26 - 2
= (54/2)/(26/2)-2
= 27/13 - 2
= 27/13 - (2*13)/(1*13)
= 27/13 - 26/13
= (27-26)/13
= 1/13
=> M
11/15+2/3*4/5-4/15
= 11/15+(2*4)/(3/5)-4/15
= 11/15+8/15-4/15
= (11+8-4)/15
= 15/15
= 1
=> A
4%
= 4/100
= 2/50
= 1/25
=> Y
1-6/19*3
= 1-(6*3)/19
= 1-18/19
= (1*19)/(1*19)-18/19
= 19/19-18/19
= (19-18)/19
= 1/19
=> S
Pour le dernier je n'y arrive pas désolé.
> MAYS.
Voilà j'espère tout de même avoir pu t'aider