
Hằng Đẳng Thức Đáng Nhớ

Quiz
•
Mathematics
•
8th Grade
•
Hard
Thuan Phan
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hằng đẳng thức nào sau đây là đúng: (a + b)² = ?
a² + 2ab + b²
a² + b²
a² - 2ab + b²
(a + b)(a - b)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính giá trị của biểu thức (3 + 4)².
36
25
49
64
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhận diện hằng đẳng thức: (x - y)² = ?
(x + y)²
x² - 2xy + y²
x² - y²
x² + 2xy + y²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Áp dụng hằng đẳng thức: Tính (5 - 2)².
9
7
12
16
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hằng đẳng thức nào sau đây là đúng: (a - b)² = ?
a² - b²
(a + b)²
a² - 2ab + b²
a² + 2ab + b²
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính giá trị của biểu thức (2 + 3)² - (2 - 3)².
30
18
10
24
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhận diện hằng đẳng thức: (a + b)(a - b) = ?
a^2 - b^2
(a + b)^2
(a - b)^2
a^2 + b^2
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