Calcul littéral 1

Calcul littéral 1

3rd Grade

10 Qs

quiz-placeholder

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Calcul littéral 1

Calcul littéral 1

Assessment

Quiz

Mathematics

3rd Grade

Practice Problem

Hard

Created by

Jean-Baptiste DUBRUEL

Used 3+ times

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Supprimer les parenthèses et simplifier si nécessaire:

 (2x + 4)+(3 x)\left(2x\ +\ 4\right)+\left(3-\ x\right)  

 2x + 4 + 3  x2x\ +\ 4\ +\ 3\ -\ x  

 3x + 73x\ +\ 7  

 x + 7x\ +\ 7  

 x  7x\ -\ 7  

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Enlever les parenthèses et simplifier si nécessaire :

 (1  2x)(2 4x)\left(1\ -\ 2x\right)-\left(2\ -4x\right)  

 1  2x  2 + 4x1\ -\ 2x\ -\ 2\ +\ 4x  

 1  6x-1\ -\ 6x  

 1  2x  2  4x1\ -\ 2x\ -\ 2\ -\ 4x  

 1 + 2x-1\ +\ 2x  

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Enlever les parenthèses et simplifier si nécessaire :
 2x + (2 x)-2x\ +\ \left(2\ -x\right)  

 2x + 2 x-2x\ +\ 2\ -x  

 x + 2-x\ +\ 2  

 x 2-x\ -2  

 3x + 2-3x\ +\ 2  

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Enlever les parenthèses et simplifier si nécessaire :

 6x  (2x  6)6x\ -\ \left(2x\ -\ 6\right)  

 4x +64x\ +6  

 4x  64x\ -\ 6  

 8x + 68x\ +\ 6  

undefined 

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Simplifier le calcul suivant :
 (2x+4)(x+2)\left(2x+4\right)\left(x+2\right)  


 3x+63x+6  

 3x²+3x+63x²+3x+6  

 2x²+8x+82x²+8x+8  

 2x+4+x+22x+4+x+2  

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Simplifier le calcul suivant :

 (7x)(22x)\left(7-x\right)\left(2-2x\right)  

 93x9-3x  

 14 + 2x²14\ +\ 2x²  

 14 12x2x²14\ -12x-2x²  

 2x²16x+142x²-16x+14  

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Simplifier le calcul suivant :

 x(2x)-x\left(2-x\right)  

 2x+x²-2x+x²  

 2x²-2-x²  

 2xx²-2x-x²  

 2+x²2+x²  

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