Free Printable Operații cu numere reale reprezentate prin litere

Free Printable Worksheets

Worksheets

Operații cu numere reale reprezentate prin litere

Total questions: 10

Worksheet time: 17mins

Name

Class

Date

1.

2 x +7 x este egal cu....

a)

9x

b)

4 x

2.

4 x ³ + 5x ² - 3 x ³- 5 x² este egal cu...

a)

4

b)

x ³

3.

3a - 6a + 2a = ...

a)

-5a

b)

-a

4.

7a + 2b -2a + 5b = ...

a)

5a +3b

b)

5a + 7b

5.

Rezultatul calcului (-2x²)³ este

a)

-8x⁶

b)

-6x⁵

6.

x + 5 + 3x + 2x² - 8 - 7x² = ...

a)

9x² + 4x +13

b)

-5x²+4x-3

7.

3x ∙ (4x – 3) – 2 ∙ (5 – 3x) = ...

a)

12x² - 3x - 10

b)

9x - 13

8.

(2x – 3) ∙ (5x – 2) = ...

a)

10x² - 19x + 6

b)

10x² + 6

9.

9x² - 16x²= ... .

a)

-25x²

b)

-7x²

10.

24xy - 32xy = ... .

a)

8xy

b)

-8xy

100 %

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