
Квадрат разности (уровень 2)
Authored by Вадим Румянцев
Mathematics
10th Grade

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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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