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题目内容
If $$0.6^{-n}$$ < 4, n is an integer, what is the greatest possible value of n?
$$x^{-1}y^{-1}$$>0

Quantity A

$$\frac{x^{-1}}{y^{-1}}$$

Quantity B

$$\frac{x}{y}$$


If $$(r-5)^{2}$$+$$(t+3)^{2}$$=0, then $$r^{t}$$=?
($$2.82*10^{-51}$$) - ($$3.96*10^{-49}$$)=
$$14^{n}$$ is divisible by 32 (n is a positive integer)

Quantity A

n

Quantity B

5


0 < x < 1

Quantity A

$$\sqrt{x}$$

Quantity B

$$x^{-1}$$


n is an integer.

Quantity A

$$(\frac{2}{3})^{n}$$$$(\frac{3}{2})^{-n}$$

Quantity B

1


r > 0

Quantity A:The area of a circular region with radius r

Quantity B:The area of a circular region with radius $$r^{2}$$
n is a negative integer, and ab=1

Quantity A

$$a^{n}$$

Quantity B

$$b^{n}$$


x is a positive integer

Which of the following x could ensure that $$10^{x}$$ is closest to $$2^{20}$$?
K=$$1.03^{N}$$, N is a positive integer, what is the least possible value of N that will make K be greater than 2.
Which of the following values is the largest?
64 < $$x^{3}$$ < 216

Quantity A

x

Quantity B

5


x > 0

Quantity A

$$\sqrt{x}$$+$$\sqrt{x+1}$$

Quantity B

1


x > 3

Quantity A

$$\sqrt{5}$$* x

Quantity B

$$\sqrt{45}$$


Which of the following is equal to $$\frac{1}{\frac{\sqrt{2}+1}{\sqrt{2}-1}}$$?
$$\sqrt{500}$$=k$$\sqrt{m}$$, where k and m are positive integers. What is the greatest possible value of (m+k)?

Quantity A

$$(\sqrt{999,999,999}+\sqrt{1,000,000,001})^{2}$$

Quantity B

$$(\sqrt[3]{999,999,999}+\sqrt[3]{1,000,000,001})^{3}$$


If 4 < a < 16, and 8 < b < 27

Quantity A

$$\frac{\sqrt{a}}{\sqrt[3]{b}}$$

Quantity B

1


Quantity A

$$\sqrt[3]{625}$$

Quantity B

$$5\sqrt{5}$$


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