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Mathematics
5th Grade
Used 204+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดถูกต้อง
√25 = 5
√25 = -5
√-25 = 5
√-25 = -5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดผิด
√25 = 5
√25 = -5
∛8 = 2
∛-8 = -2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดผิด
√9 = 3
√-9 = -3
√-9 = หาค่าที่เป็นจำนวนจริงไม่ได้
∛-8 = -2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดถูกต้อง
√9 = 92
√-9 = -32
√9 = -3
√9 = 9½
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดผิด
(√3)2 = 3
(∛3)3 = 3
(∛4)3 = 4
(∜3)4 = 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดผิด
√-32 = 3
∛-33 = -3
∛-43 = -4
∜-34 = -3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดถูกต้อง
(√-3)2 = 3
(∛-3)3 = -3
(∛-4)3 = 4
(∜-3)4 = 3
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