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Rapoarte algebrice

Authored by Tatiana Ceban

Mathematics

7th Grade

Used 81+ times

Rapoarte algebrice
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7 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 x2x+3\frac{x-2}{x+3}  DVA al raportului algebric este:

3

-3

R-{-3}

R-{3}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 x2x+2 pentru  x=1 este:\frac{x^2}{x+2}\ pentru\ \ x=-1\ este:  Valoarea raportului algebric

 13\frac{1}{3}  

 13-\frac{1}{3}  

-1

1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Amplificați raportul algebric cu  x x2y\frac{x}{2y}  

 2x2y\frac{2x}{2y}  

 x22xy\frac{x^2}{2xy}  

 2x2xy\frac{2x}{2xy}  

 x22y\frac{x^2}{2y}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x2x24\frac{x-2}{x^2-4}  Simplificați raportul algebric

 x+2x+2  

 x2x-2  

 1x2\frac{1}{x-2}  

 1x+2\frac{1}{x+2}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 2x3+x2x26x+9\frac{2}{x-3}+\frac{x-2}{x^2-6x+9}  Efectuați operația de adunare:

 x8x26x+9\frac{x-8}{x^2-6x+9}  

 3x4x26x+9\frac{3x-4}{x^2-6x+9}  

 x8x3\frac{x-8}{x-3}  

 3x4x3\frac{3x-4}{x-3}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 2x6x+3x29x26x+9\frac{2x-6}{x+3}\cdot\frac{x^2-9}{x^2-6x+9}  Efectuați operația de înmulțite :

 x+3x+3  

 22  

 12\frac{1}{2}  

 x3x-3  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 x5x+3÷5x25x29\frac{x-5}{x+3}\div\frac{5x-25}{x^2-9}  Efectuați operația de împărțire:

 x+35\frac{x+3}{5}  

 x2975\frac{x^2-9}{-75}  

 x35\frac{x-3}{5}  

 x2975\frac{x^2-9}{75}  

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