Ôn tập 01- ĐS9 Chương I- bài 1,2

Quiz
•
Mathematics
•
9th Grade
•
Hard
Phan Thành Được
Used 8+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Căn bậc hai số học của 4 là:
16
2
2 và -2
-2
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Các căn bậc hai của 9 là:
3
-3
3 và -3
81
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kết quả phép tính √9 + √16 bằng:
5
25
7
√25
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
thì x = ?
4
8
1
16
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
có nghĩa khi:
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
có nghĩa khi và chỉ khi:
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
có nghĩa khi và chỉ khi:
x dương
x âm
x không âm
với mọi giá trị của x
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