Формули скороченого множення
Authored by Anastasiya Derlemenko
Mathematics
7th - 11th Grade
Used 8+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Назвіть формулу
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Створіть правильну формулу:
(a+b)² =
a² + 2ab + b²
a² - 2ab + b²
a² + b²
(a-b)(a+b)
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Назвіть формулу
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Створіть правильну формулу:
a² - b² =
(a - b)(a + b)
(a - b)(b - a)
a² - 2ab + b²
(ab)²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Створіть правильну формулу:
a³ + b³ =
a³ + 3a²b + 3ab² + b³
(a + b)(a² - ab + b²)
(a + b)(a² - 2ab + b²)
(a - b)(a² + ab + b²)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вираз (x - y)2 тотожно рівний:
(x + y)2
(-x - y)2
(-x + y)2
(-y - x)2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Розкласти на множники: 25-b2
(25-b)(25+b)
(5-b)(5+b)
(5-b)(5-b)
(625-b)(625+b)
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