Hằng đẳng thức (M1 - Nhận biết)
Flashcard
•
Mathematics
•
8th Grade
•
Hard
Huỳnh Anh Thư
Used 1+ times
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7 questions
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1.
FLASHCARD QUESTION
Front
Hằng đẳng thức nào sau đây là đúng: (a - b)² = ?
Back
a² - 2ab + b²
2.
FLASHCARD QUESTION
Front
Hằng đẳng thức nào sau đây là đúng: a² - b² = ?
Back
(a - b)(a + b)
3.
FLASHCARD QUESTION
Front
Hằng đẳng thức nào sau đây là đúng: (a + b + c)² = ?
Back
a² + b² + c² + 2ab + 2ac + 2bc
4.
FLASHCARD QUESTION
Front
Hằng đẳng thức nào sau đây là đúng: a³ - b³ = ?
Back
(a - b)(a² + ab + b²)
5.
FLASHCARD QUESTION
Front
Hằng đẳng thức nào sau đây là đúng: a³ + b³ = ?
Back
(a + b)(a² - ab + b²)
6.
FLASHCARD QUESTION
Front
Hằng đẳng thức nào sau đây là đúng: (a + b)3 =
Back
a3 + 3a2b + 3ab2 + b3
7.
FLASHCARD QUESTION
Front
Hằng đẳng thức nào sau đây là đúng: (a - b)3 =
Back
a3 - 3a2b + 3ab2 - b3
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