Questions Flashs : Calcul Littéral et distributivité

Questions Flashs : Calcul Littéral et distributivité

4th Grade

10 Qs

quiz-placeholder

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Questions Flashs : Calcul Littéral et distributivité

Questions Flashs : Calcul Littéral et distributivité

Assessment

Quiz

Mathematics

4th Grade

Practice Problem

Hard

Created by

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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Simplifier l'expression A=-2x+3+5x-4

A=3x-1

A=3x+7

A=2x

A=10x

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Réduire l'expression suivante:  A=2yy2+6y29+yA=2y-y^2+6y^2-9+y  

 A=8y39A=8y^3-9  

 A=5y2+3y9A=5y^2+3y-9  

 A=y+7y29A=y+7y^2-9  

 A=y2A=-y^2  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Que vaut l'expression suivante si a=-2?
 A=(4a2+2a)×12A=\left(4a^2+2a\right)\times\frac{1}{2}  

A=6

A=-10

A=3

A=5

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Développer:
 B=5x(2x7)B=5x\left(2x-7\right)  

 B=10x7B=10x-7  

 B=10x27B=10x^2-7  

 B=10x235xB=10x^2-35x  

 B=3x2B=3x^2  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Développer:
 C=4(x+9)C=-4\left(x+9\right)  

 C=4x+36C=-4x+36  

 C=4x36C=-4x-36  

 C=4x+9C=-4x+9  

 C=4+x+9C=-4+x+9  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Simplifier l'expression suivante:
 B=2×b+3+5×b+2B=2\times b+3+5\times b+2  

 B=12bB=12b  

 B=7b+5B=7b+5  

 B=4b+8B=4b+8  

 B=7b2+5B=7b^2+5  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Félix doit acheter 12 pâtisseries: des tartelettes à la framboise et des tartelettes au citron. Une tartelette à la framboise côute 2.60 euros et une tartelette au citron 2 euros. Si x désigne le nombre de tartelettes à la framboise, quelle expression donne la dépense totale de Félix?

 D=2.6x+(12x)×2D=2.6x+\left(12-x\right)\times2  

 D=(2.6+2)×12xD=\left(2.6+2\right)\times12x  

 D=12×2+2.6×xD=12\times2+2.6\times x  

 D=2.3×12D=2.3\times12  

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