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Calcul littéral : simplification d'expressions

Authored by Marine Pasquier

Mathematics

8th - 9th Grade

Used 26+ times

Calcul littéral : simplification d'expressions
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 2x + 3x = 2x\ +\ 3x\ =\   

 5x²5x²  

 5x5x  

 6x6x  

 6x²6x²  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 2x×3x = 2x\times3x\ =\   

 5x5x  

 6x6x  

 6x²6x²  

 5x²5x²  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 2x+3y3x2y=2x+3y-3x-2y=  

 00  

 5x5y5x-5y  

 xyx-y  

 yxy-x  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x²+3x4+3x²7x+2 = x²+3x-4+3x²-7x+2\ =\   

 4x²4x24x²-4x-2  

 4x²4x64x²-4x-6  

 2-2  

 4x²+10x24x²+10x-2  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 x+x+x+x+x = x+x+x+x+x\ =\   

 x5x^5  

 x+5x+5  

 5x5x  

 55  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2×(4a) = 2\times\left(-4a\right)\ =\   

 2a-2a  

 4a²-4a²  

 16a²16a²  

 8a-8a  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3×2x+4x = 3\times2x+4x\ =\   

 12x12x  

 10x10x  

 24x²24x²  

 9x9x  

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