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题目内容
When $$\frac{2}{7}$$ is turned into a decimal number, what is the $$57^{th}$$ digit after the decimal point?
$$0.\overline {abcde}$$ is a repeating decimal with abcde repeated,where a,b,c,d and e are 5 different digits,and $$0.\overline {abcde}$$=$$\frac{1}{X}$$ (X is a positive integer)

Quantity A

x

Quantity B

83


Point $$Q$$ (not shown) is on the number line between $$-2$$ and $$-1$$. Point $$R$$ (not shown) is on the number line between $$0$$ and $$1$$. Point $$S$$ (not shown) is on the number line between $$3$$ and $$4$$.

Note: In the following question, $$QR$$ represents the distance between point $$Q$$ and point $$R$$, not product of the coordinates of point $$Q$$ and point $$R$$

Quantity A

$$QR$$

Quantity B

$$RS$$
-1 < x < 1

Quantity A:|1-x|

Quantity B:1
x-y > 0

Quantity A: |x|-|y|

Quantity B: 0
z=x$$y^{2}$$,x < 0

Quantity A

|z|

Quantity B

-z


y > 0

Quantity A

$$(\sqrt{y})^{2}$$

Quantity B

|y|
m > n

Quantity A:|-m|-|-n|

Quantity B:|-n|-|-m|
If x < y,which of the following must be true?

Indicate all such items.
If x and y are numbers such that Ix-7l ≤ 3 and |y-2| ≤ 10, what is the least possible value of y-x?
If |3x+2| < 5, then which of the following statements must be true?

Indicate all such statements.
The sum of the 5 yuan cash and 10 yuan cash is 1575, the number of 10 yuan cash is three times as many as the number of 5 yuan cash, what is the number of 10 yuan cash?
What percent of $$\frac{1}{2}$$ is $$\frac{2}{3}$$?

Give your answer to the nearest hundredths of a percent .
A family paid 15 percent of its annual after-tax income on food last year. This amount was equal to 10 percent of its annual before-tax income last year. What percent does the after-tax income accounts for the before-tax income?

Give your answer to the nearest tenth of a percent.
Among a survey to drivers, 36% of male driver, and 48% of female driver hate driving in the night, which is also 45% of all the drivers, what percent of all the drivers are male drivers?

Give your answer as a percent.
There is a big bottle full of water, now pour half of the water into a small bottle and the small bottle is filled up. Then pour 25% water from the small bottle back into the big bottle. What is the percent of the water now in the big bottle?

Give your answer as a decimal.
When delivering 104 total pieces of newspaper for a community, the number of households that subscribe to 3 pieces of newspaper is twice as many as the number of household that subscribe to 1 piece of newspaper, while the number of households that subscribe to 2 pieces of newspaper is three times as many as the number of household that subscribe to 1 piece of newspaper. What is the number of households that subscribe to 2 pieces of newspaper?
Students T, S and R have some shoes, the number of T`s shoes is $$\frac{1}{3}$$ of S`s, and the number of R`s shoes is twice as many as S`s. If the number of R`s shoes are less than 30. What is the possible number of R`s shoes?

Indicate all such items.
Company A has twice as many employees as Company B, and the two companies have no employees in common. If 64 percent of the employees of Company A are women and 52 percent of the employees of Company B are women, what percent of all the employees of the two companies are women?

Give your answer as a percent.
There are three kinds of balls, red, blue and green, there are 4 times as many red balls as green balls, and 3 times as many red balls as blue balls. If the number of green balls is a positive even, and the number of blue balls is at least one. What is the least number of red balls?

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