Activités mentales

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Activités mentales

Stéphane Mirbel

référence du test : A20-03

Vous disposez de 45 secondes pour répondre aux questions

Stéphane Mirbel Activités mentales

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t Question 1

Développer : 2x(8x+3)

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t Question 1

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t Question 1

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t Question 1

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t Question 1

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t Question 1

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t Question 1

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t Question 1

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t Question 1

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t Question 2

Développer : (x−6)(x+6)

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t Question 2

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t Question 2

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t Question 2

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t Question 2

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t Question 2

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t Question 2

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t Question 2

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t Question 2

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t Question 3

Factoriser : x²−2x+1

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t Question 3

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t Question 3

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t Question 3

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t Question 3

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t Question 3

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t Question 3

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t Question 3

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t Question 3

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t Question 4

Développer (3+x)²

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t Question 4

Développer (3+x)²

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t Question 4

Développer (3+x)²

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t Question 4

Développer (3+x)²

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t Question 4

Développer (3+x)²

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t Question 4

Développer (3+x)²

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t Question 4

Développer (3+x)²

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t Question 4

Développer (3+x)²

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t Question 4

Développer (3+x)²

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t Question 5

Factoriser : 9−x²

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t Question 5

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t Question 5

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t Question 5

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t Question 5

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t Question 5

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t Question 5

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t Question 5

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t Question 5

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Correction

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t Correction question 1

Développer : 2x(8x+3)=16x²+6x

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t Correction question 2

Développer : (x−6)(x+6)=x²−36

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t Correction question 3

Factoriser : x²−2x+1=(x−1)²

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t Correction question 4

Développer : (3+x)²=9+6x+x²

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t Correction question 5

Factoriser : 9−x²=(3−x)(3+x)

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Fin