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Autom - Calcul 2

Authored by O. CINARELLI-SWINNEN

Mathematics

11th Grade

Used 1+ times

Autom - Calcul 2
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5 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

🖩 Calculatrice non autorisée.

Donner un ordre de grandeur du résultat de 59,49 x 32,21 :

1200

1500

1800

2400

Answer explanation

On peut estimer le résultat en faisant 60 x 30, soit 1 800.

2.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

🖩 Calculatrice non autorisée.

Calculer l'aire d'un triangle rectangle de côtés 6 et 5.

Answer explanation

Aire = 6 x 5 / 2 = 30 / 2 = 15

3.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Answer explanation

Les numérateurs sont égaux donc on compare les dénominateurs : 27 > 25 et comme on inverse, 8/27 devient plus petit que 8/25.

4.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

5.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Answer explanation

2/5 = 0,4 = 40 %

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