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题目内容
For 7 soccer ball teams, each of them has to play with all the other teams. However, to decide which team wins, every two teams have to play 3 rounds and the team that win for the most times will ultimately win. How many rounds of game does each team have to play?

Point O is the center of the circle.

Quantity A

x+y

Quantity B

90

Triangle ABC is inscribed in the circle centered at O.

Quantity A

Five times the area of triangular region ABC

Quantity B

The area of the circular region

The circle has center O and radius $$x$$.

Quantity A

The perimeter of triangle PRT

Quantity B

$$4x$$

C is the midpoint of semicircle ABCD.

Quantity A

The area of region ABD

Quantity B

The area of region ACD

AB is the diameter of the circle, ∠CBD=65°，what's the value of ∠CAD?

The figure above is a cube, AG=2$$\sqrt{3}$$, what's the side of the cube?
If a container can hold 3 cubic feet of goods (1yard=3feet),then 100 such containers can hold n cubic yard of goods
Quantity A: n
Quantity B: 13
If it costs $400 to paint the four walls and the floor of a house whose length is twice of its width and whose width and height are the same ($10 per square feet), what`s the length of the house?
A solid right circular cylinder is inside a cubical box. The base of the cylinder rests flat on the bottom of the box, and the cylinder touches the sides and the top of the box. Which of the following is closest to the ratio of the volume of the cylinder to the volume of the box?

The total number of Set I is 7,000 and the total number of Set II is 13,500.
What is the closest value of ratio of the number of A in set I to the number of A in set II?
If the number of B in set I decreases by 350, what is the new percentage of B in Set I?
Give your answer to the nearest 0.1 percent.
_____%
The number of C in set I is what percent greater than the number of C in set II?
Give your answer to the nearest 0.1 percent.
____%
The number of sales covered by 40% region is what percent greater than the number of sales covered by 35% regions?
Give your answer to the nearest 0.1 percent.
______%
x[(y+75)+(15-y)]=900

Quantity A: x*y

Quantity B: 10
$$\frac{x+1}{x}$$=10

Quantity A

$$(x+1)^{2}$$

Quantity B

12
What is the central angle of the region covered by 25%?
-2 < x < 0

Quantity A

$$x^{3}$$+$$\frac{1}{x^{3}}$$

Quantity B

x+$$\frac{1}{x}$$

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25000 +道题目

6本备考书籍

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