Bonjour je n y comprend rien quelqu un peut il m aider s il vous plait ?
effectuer chaque calcul en donnant le résultat sous forme d une fraction simplifier. a) 4/5+3/5*1/2
b) -3/4*(1/5-3/10)
c) 2/3-1/5:5/8
Merci de vos réponses .

By: USER6868
26 Agustus 2025 mathematiques 5 minutes
4.5
258 views 258 comments 13 shares

Question

Grade: Education Subject: mathematiques
Bonjour je n y comprend rien quelqu un peut il m aider s il vous plait ?
effectuer chaque calcul en donnant le résultat sous forme d une fraction simplifier. a) 4/5+3/5*1/2
b) -3/4*(1/5-3/10)
c) 2/3-1/5:5/8
Merci de vos réponses .
Asked by:
258 Viewed 258 Answers

Answer (258)

Best Answer
(317)
bonjour,

a) 4/5+3/5*1/2 =
multiplication prioritaire : 4/5 + 3/10 = (8+3)/10 = 11/10

b) -3/4*(1/5-3/10) =
calcul () prioritaire : -3/4(2-3)/10 = -3/4*-1/10 = 3/40

c) 2/3-1/5:5/8 =
division prioritaire : 2/3-1/5*8/5 = 2/3-8/25  = (50-24)/75 = 26/75
Answered on 26 Agustus 2025

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