
Câu hỏi Toán học
Authored by rin ebe
Other
9th Grade

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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Căn bậc hai số học của 64 bằng
8.
−8.
±8.
4096.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Căn bậc hai số học của 9 bằng
3.
−3.
±3.
81.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
So sánh hai số 7 và √47, ta được kết quả là
7
√47.
không so sánh được.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
So sánh hai số 4 và √17, ta được kết quả là
4
√17.
không so sánh được.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Căn bậc hai của 25 bằng
5.
−5.
5 hoặc −5.
25.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Căn bậc hai của 16 bằng
4.
−4.
4 hoặc −4.
±16.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giá trị của căn thức √(2−√3) bằng
2−√3.
√3−2.
2 + √3.
√3 + 2.
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