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Rechnen mit Variablen

Authored by Barbara Vogl-Miloczki

Mathematics

7th Grade

Used 11+ times

Rechnen mit Variablen
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3 . (a + 2b) =

2 + 6b

3a - 6b

3a + 6b

3a + 3b

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

15x - 10y =

5 . ( 3x - 2y)

3 . (5x - 3y)

2 . (5x - 5y)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(a - b)² =

a² + b²

a² - b²

a² - 2ab + b²

a² + 2ab + b²

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a² - b² =

(a+b).(a-b)

(a+b)²

(a-b)²

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4x².3x³=

12x6

8x6

12x

12x5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(3x+5y)²=

9x²+15xy+25y²

9x+30xy+25y

9x²+30xy+25y²

9x²-25y²

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4x²-3x+5x²+3x-9x²

0

18x²

6x

18x²+6x

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