Quiz about เลขยกกำลัง2เป็นเศษส่วน

Question 1

$$4^{\frac{3}{2}}\ \ \ มีค่าตรงกับข้อใด$$

Accepted Answer

8

Answer

$$\sqrt[]{4^3}$$

Answer

$$\left(\sqrt[]{4}\right)^3$$

Answer

$$\left(2^2\right)^{\frac{3}{2}}$$

Question 2

$$25^{-\frac{3}{2}}\ \ \ มีค่าไม่\ ตรง\ กับข้อใด$$

Accepted Answer

$$\sqrt[]{25^3}$$

Answer

$$\left(\sqrt[]{25}\right)^{-3}$$

Answer

$$\left(5^2\right)^{\frac{-3}{2}}$$

Answer

$$\frac{1}{125}$$

Question 3

$$81^{\frac{-1}{2}}\ \ \ มีค่าไม่\ ตรง\ กับข้อใด$$

Accepted Answer

$$\left(9\right)^{-2}$$

Answer

$$\sqrt[]{81^{-1}}$$

Answer

$$\left(9^2\right)^{\frac{-1}{2}}$$

Answer

$$\frac{1}{9}$$

Question 4

$$\sqrt[4]{5^3}\ เขียนเป็นเลขยกกำลังได้ตรงกับข้อใด$$

Accepted Answer

$$5^{\frac{3}{4}}$$

Answer

$$5^{\frac{4}{3}}$$

Answer

$$5^{\frac{-3}{4}}$$

Answer

$$5^{\frac{-4}{3}}$$

Question 5

$$\sqrt[4]{5^{-3}}\ เขียนเป็นเลขยกกำลังได้ตรงกับข้อใด$$

Accepted Answer

$$5^{\frac{-3}{4}}$$

Answer

$$5^{\frac{3}{4}}$$

Answer

$$5^{\frac{4}{3}}$$

Answer

$$5^{\frac{-4}{3}}$$

Question 6

$$\left(x^{\frac{1}{3}}-y^{\frac{1}{3}}\right)\left(x^{\frac{2}{3}}+x^{\frac{1}{3}}\cdot y^{\frac{1}{3}}+y^{\frac{2}{3}}\right)\ ตรงกับข้อใด$$

Accepted Answer

x - y

Answer

x + y

Answer

$$x^3-y^3$$

Answer

$$x^3+y^3$$

Question 7

$$\left(x-y^{ }\right)\left(x^2+x^{ }\cdot y^{ }+y^2\right)\ ตรงกับข้อใด$$

Accepted Answer

$$x^3-y^3$$

Answer

x + y

Answer

$$x^3+y^3$$

Answer

x - y

Question 8

$$\left(7^{\frac{1}{3}}-5^{\frac{1}{3}}\right)\left(7^{\frac{2}{3}}+7^{\frac{1}{3}}\cdot5^{\frac{1}{3}}+5^{\frac{2}{3}}\right)\ ตรงกับข้อใด$$

Accepted Answer

2

Answer

12

Answer

$$218$$

Answer

468

Question 9

$$\left(7^{\frac{1}{3}}-5^{\frac{1}{3}}\right)\left(49^{\frac{1}{3}}+7^{\frac{1}{3}}\cdot5^{\frac{1}{3}}+25^{\frac{1}{3}}\right)\ ตรงกับข้อใด$$

Accepted Answer

2

Answer

12

Answer

$$218$$

Answer

468

Question 10

$$\left(x^{\frac{1}{3}}+y^{\frac{1}{3}}\right)\left(x^{\frac{2}{3}}-x^{\frac{1}{3}}\cdot y^{\frac{1}{3}}+x^{\frac{2}{3}}\right)\ \ ตรงกับข้อใด$$

Accepted Answer

x+y

Answer

x-y

Answer

$$x^3-y^3$$

Answer

$$x^3+y^3$$

Question 11

$$\left(x^{ }+y^{ }\right)\left(x^2-x^{ }y^{ }+y^2\right)\ \ ตรงกับข้อใด$$

Accepted Answer

$$x^3+y^3$$

Answer

x-y

Answer

$$x^3-y^3$$

Answer

x+y

Question 12

$$\left(7^{\frac{1}{3}}+5^{\frac{1}{3}}\right)\left(7^{\frac{2}{3}}-7^{\frac{1}{3}}\cdot5^{\frac{1}{3}}+5^{\frac{2}{3}}\right)\ \ ตรงกับข้อใด$$

Accepted Answer

12

Answer

2

Answer

218

Answer

468

Question 13

$$\left(7^{\frac{1}{3}}+5^{\frac{1}{3}}\right)\left(49^{\frac{1}{3}}-35^{\frac{1}{3}}+25^{\frac{1}{3}}\right)\ \ ตรงกับข้อใด$$

Accepted Answer

12

Answer

2

Answer

218

Answer

468

Question 14

$$48^{\frac{1}{2}}\cdot27^{\frac{1}{2}}$$

Accepted Answer

36

Answer

12

Answer

9

Answer

8

Question 15

$$1567^{93}\ \ \ มีเลขหลักหน่วยตรงกับข้อใด$$

Accepted Answer

7

Answer

9

Answer

3

Answer

1

เลขยกกำลัง2เป็นเศษส่วน

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