Unités de mesure Flashcards

1
Q

1 m^2 vaut combien de dm^2?

A

1m^2 vaut 100 dm^2. Pour passer d’un multiple à un autre, on doit multiplier par 100.
ex: 12,3m^2 = 0.1230 dam^2 = 1230 dm^2 = 0,001230 hm^2

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2
Q

1 hectare= … m^2?

A

1 ha = 1 hm^2 = 10000 m^2

De même 1 are = 1 dm^2 = 100 m^2
Et 1 centiare = 1 m^2

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3
Q

1 L = … m^3?

A

On a 1 L = 1 dm^3 = 0,001 m^3

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4
Q

1 L d’eau = … kg?

A

1 L d’eau = 1 kg

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5
Q

1 tonne = … kg?

A

1 tonne = 1000 kg

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6
Q

1 année = … jours? (on prendra en compte les années bissextiles)

A

1 année = 365,25 jours (366 jours dans une année bissextile: 2012 est bissextile)

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7
Q

1 seconde = … h?

A

1 sec=1/3600 h

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8
Q

1/3 h

A

20 minutes

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9
Q

1/5 heure

A

12 minutes

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10
Q

1/15 heure

A

4 minutes

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11
Q

1/4 h

A

15 minutes

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12
Q

1/6h

A

10 minutes

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13
Q

1/12h

A

5 minutes

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