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Квадрат разности (уровень 2)

Authored by Вадим Румянцев

Mathematics

10th Grade

Квадрат разности (уровень 2)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите
(2a - b)(2a + b);

4a2 - b2

4a2 + b2

2a2 - 2b

4a2 - 2b2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите
(3a - 2b)(3a + 2b);

9a2 - 4b2

9a2 + 4b2

6a2 - 6b

9a2 - 6b2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите
(4a - 3b)(4a + 3b);

16a2 - 9b2

16a2 + 9b2

12a2 - 12b

16a2 - 12b2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите
(5a - 4b)(5a + 4b);

25a2 - 16b2

25a2 + 16b2

20a2 - 20b

25a2 - 20b2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите
(6a - 5b)(6a + 5b);

36a2 - 25b2

36a2 + 25b2

30a2 - 30b

36a2 - 30b2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите
(7a - 6b)(7a + 6b);

49a2 - 36b2

49a2 + 36b2

42a2 - 42b

49a2 - 42b2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите
(8a - 7b)(8a + 7b);

64a2 - 49b2

64a2 + 49b2

56a2 - 56b

64a2 - 56b2

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