Quiz about Nevezetes szorzatok (hiányos)

Question 1

$$\left(a-b\right)^2=a^2-...+b^2$$

Accepted Answer

2ab

Answer

ab

Answer

2a

Answer

2b

Question 2

$$\left(3a-b\right)^2=9a^2-...+b^2$$

Accepted Answer

6ab

Answer

3ab

Answer

2ab

Answer

6a

Question 3

$$\left(a-4b\right)^2=a^2-...+16b^2$$

Accepted Answer

8ab

Answer

4ab

Answer

8b

Answer

4b

Question 4

$$\left(3a-4b\right)^2=9a^2-...+16b^2$$

Accepted Answer

24ab

Answer

7ab

Answer

12ab

Answer

25ab

Question 5

$$\left(2x-4\right)^2=4x^2-...+16$$

Accepted Answer

16x

Answer

8

Answer

8x

Answer

16

Question 6

$$\left(2x-5y\right)^2=4x^2-...+25y^2$$

Accepted Answer

20xy

Answer

10xy

Answer

7xy

Answer

29xy

Question 7

$$\left(2-5y\right)^2=4-...+25y^2$$

Accepted Answer

20y

Answer

10y

Answer

20x

Answer

7y

Question 8

$$\left(a-b\right)^2=a^2-2ab+...$$

Accepted Answer

$$b^2$$

Answer

2b

Answer

b

Answer

ab

Question 9

$$\left(a-3\right)^2=a^2-6a+...$$

Accepted Answer

9

Answer

6

Answer

3

Answer

$$9^2$$

Question 10

$$\left(5-2b\right)^2=25-20b+...$$

Accepted Answer

$$4b^2$$

Answer

$$2b^2$$

Answer

2b

Answer

$$b^2$$

Question 11

$$\left(5a-3b\right)^2=25a^2-30ab+...$$

Accepted Answer

$$9b^2$$

Answer

$$3b$$

Answer

$$3b^2$$

Answer

$$9^2b^2$$

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