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全部 图表题专项练习 分难度套题练习 GRE数学6000题170逐考点专项练习 GRE数学170超高频“脏”题 GRE数学170超高频“坑”题 GRE数学170超高频“神”题
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题目内容
$$x^{-1}y^{-1}$$>0

Quantity A

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

Quantity B

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

Quantity A

n

Quantity B

5
Which of the following is the best estimate of $$\frac{(16.8)(10^{3})}{(0.51)(10^{-11})}$$?
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 $$2^{20}$$?
Which of the following is greatest?
64 < $$x^{3}$$ < 216

Quantity A

x

Quantity B

5
Which of the following is equal to an integer raised to the third power?
x, n and k are all integers, 0 < x < $$10^{7}$$, x=$$n^{k}$$

If the units digit of x is 5, and x could be transformed into both the square of an integer and the cube of an integer, then x must be?
x > 0

Quantity A

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

Quantity B

1
x > 3

Quantity A

$$\sqrt{5}$$* x

Quantity B

$$\sqrt{45}$$
If 5$$\sqrt{t}$$=9, then $$\sqrt{t}$$-t=?

Give your answer as a fraction.
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

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

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