Calcul mental. 34,7 x 100 Diapositive n°1 34,7 x 100 = 3 470 Diapositive n°1.

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Presentation transcript:

Calcul mental

34,7 x 100 Diapositive n°1

34,7 x 100 = Diapositive n°1

Diapositive n°2 12 x x 4

Diapositive n°2 12 x x 4 = 120

6, ,6 Diapositive n°3

6, ,6 = 13 Diapositive n°3

10 – Diapositive n°4

10 – = 4 Diapositive n°4

…. est un diviseur de 14 Diapositive n°5

2 2 est un diviseur de 14 Diapositive n°5

x 2 Diapositive n°6

x 2 = 4 Diapositive n°6

56 : 7 Diapositive n°7

56 : 7 = 8 Diapositive n°7

34,5 : Diapositive n°8

34,5 : = 0,034 5 Diapositive n°8

101 x 34 Diapositive n°9

101 x 34 = Diapositive n°9

Diapositive n°10

= 107 Diapositive n°10

FIN