4-Cm7

23
Calcul mental “Puissance d’un entier relatif” série n°2

Transcript of 4-Cm7

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Calcul mental“Puissance d’un entier relatif”

série n°2

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2(-8)Calculer:Calculer:Diapositive 1Diapositive 1

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2-3Calculer:Calculer:Diapositive 2Diapositive 2

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Par quel nombre faut-il multiplier -9

pour obtenir 81?

Diapositive 3Diapositive 3

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3(-10)Calculer:Calculer:Diapositive 4Diapositive 4

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4(-1)Calculer:Calculer:Diapositive 5Diapositive 5

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FIN

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CORRECTION

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( ) = × =2-8 -8 (-8) 64

Diapositive 1Diapositive 1

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( ) = × =2-8 -8 (-8) 64

Diapositive 1Diapositive 1

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( ) = × =2-8 -8 (-8) 64

Diapositive 1Diapositive 1

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= × =2-3 -3 3 -9Diapositive 2Diapositive 2

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= × =2-3 -3 3 -9Diapositive 2Diapositive 2

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= × =2-3 -3 3 -9Diapositive 2Diapositive 2

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Par quel nombre faut-il multiplier -9 pour obtenir 81?

Par -9 car

Diapositive 3Diapositive 3

9 ( ) 64 3- -× =

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Par quel nombre faut-il multiplier -9 pour obtenir 81?

Par -9 car

Diapositive 3Diapositive 3

9 ( ) 64 3- -× =

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Par quel nombre faut-il multiplier -9 pour obtenir 81?

Par -9 car

Diapositive 3Diapositive 3

-- 99 ( ) 81× =

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( ) = × × =3-10 -10 (-10) -(-10) 1000

Diapositive 4Diapositive 4

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( ) = × × =3-10 -10 (-10) -(-10) 1000

Diapositive 4Diapositive 4

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( ) = × × =3-10 -10 (-10) -(-10) 1000

Diapositive 4Diapositive 4

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( ) = × × × =4-1 -1 (-1) (-1) (-1) 1

Diapositive 5Diapositive 5

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( ) = × × × =4-1 -1 (-1) (-1) (-1) 1

Diapositive 5Diapositive 5

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( ) = × × × =4-1 -1 (-1) (-1) (-1) 1

Diapositive 5Diapositive 5