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Authored by Benjachai Nuangsa

Mathematics

10th Grade

Used 58+ times

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20 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

ข้อใดถูกต้อง

(√-3)2 = 3

(∛-3)3 = -3

(∛-4)3 = 4

(∜-3)4 = 3

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

∛250 คือข้อใด

5

50

5√2

5∛2

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