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-Dominant- [34]
3 years ago
15

Quelles fractions de l'heure représentent: 12 min ? 35 min ? 40 min ? 45 min ? 50 min ? 52 min ? 58 min ?​

Mathematics
1 answer:
strojnjashka [21]3 years ago
7 0

Step-by-step explanation:

1 heure = 60 minutes.

60 minutes = 1 heure

1 minute = 1/60

i) 12 minutes = 1/60 × 12

= 12/ 60

= 1/5

ii) 35 minutes = 1/60 × 32

= 32/ 60

= 8/ 15

iii) 40 minutes = 1/60 × 40

= 2/3

iv) 45 minutes = 1/60 × 45

= 3/4

v) 50 minutes = 1/60 × 50

= 5/6

vi) 52 minutes = 1/60 × 52

= 13/15

vii) 58 minutes = 1/60 × 58

= 29/ 30

ainsi, c'est mieux d'utiliser la formule:

x min = x/60 hr

j'espère que cela vous aide,

bonne journée!

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