Question 1 12 x 99 = ?.

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Presentation transcript:

Question 1 12 x 99 = ?

Question 2 Somme ou produit ? 77 x (5 + 0,7)

Question 3 Donner un ordre de grandeur de 78 x 5,2

Question 4 Aire d’un triangle rectangle de côtés de l’angle droit : 5 cm et 10 cm

Question 5 Somme ou produit ? (3 + 5 ) x (8 + 4)

Question 6 Donner un ordre de grandeur de : 1,9 x 9,6

Question 7 Calculer : 2,5 x 11

Question 8 Peut-on construire le triangle de côtés : 7,5 cm ; 8,5 cm ; 5,2 cm ?

Question 9 Calculer : 12 x 3 + 12 x 7

Question 10 Périmètre d’un triangle équilatéral de côtés 5,2 cm