Déterminer des ordres de grandeurs des calculs suivant:

a)1h35min+2h27min
b)12min+3h03min+1h49min
c)3h07min-2h11min
d)5h32min-2h58min

By: USER7675
27 Agustus 2025 mathematiques 5 minutes
4.5
171 views 171 comments 13 shares

Question

Grade: Education Subject: mathematiques
Déterminer des ordres de grandeurs des calculs suivant:

a)1h35min+2h27min
b)12min+3h03min+1h49min
c)3h07min-2h11min
d)5h32min-2h58min
Asked by:
171 Viewed 171 Answers

Answer (171)

Best Answer
(247)

Bonjour;

a)1h35min+2h27min

≈ 4h

b)12min+3h03min+1h49min

≈ 5h

c)3h07min-2h11min

≈  10mn

d)5h32min-2h58min

≈ 2h30mn

Answered on 27 Agustus 2025

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