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veracorreia69
@veracorreia69
January 2021
2
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Bonsoir vous pouvez m’aider svp. La g. Merci
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saturne5
Verified answer
Bonjour
G.
Tu simplifies par 3, puis tu remarques que
et
donc tu peux simplifier les dénominateurs :
0 votes
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saturne5
Le signe * veut dire multiplié
HAKOO
Bonjour,
G. 2,5/3 * 3/0,5
⇒ 2,5*3/3*0,5 = 7,5/1,5 = 5
Ou
⇒
2,5*
3
/
3
*0,5 = 2,5/0,5 =
5
Ou
⇒2,5*3/3*0,5 = 2,5/0,5 = 5/1 = 5
Car 2,5 = 5/2 et 0,5 = 1/2 soit 5*2/1*2 = 5
1 votes
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Verified answer
BonjourG.
Tu simplifies par 3, puis tu remarques que
et
donc tu peux simplifier les dénominateurs :
G. 2,5/3 * 3/0,5
⇒ 2,5*3/3*0,5 = 7,5/1,5 = 5
Ou
⇒ 2,5*3/3*0,5 = 2,5/0,5 = 5
Ou
⇒2,5*3/3*0,5 = 2,5/0,5 = 5/1 = 5
Car 2,5 = 5/2 et 0,5 = 1/2 soit 5*2/1*2 = 5