1, there are 5 bags of sugar, and the sum of any 4 bags exceeds 80 pieces, so the sum of 5 bags of sugar is at least () pieces.

2. From the five numbers of 0, 2, 5, 7 and 9, choose four non-repetitive numbers to form a four-digit number divisible by 3, where the difference between the largest and smallest four digits is ().

3. The product of three different prime numbers is exactly 7 times their sum. These three prime numbers are (), () and () respectively.

4. The prime factor of decomposition1111is ().

5. Compare the sizes of the following four formulas and connect them with |:111+1/29; 1/ 12+ 1/25; 1/ 14+ 1/ 19; 1/ 13+ 1/2 1。

6, with 28 meters long wire into a rectangle, the largest area of this rectangle is ().

7. In the parallelogram, f is the midpoint of BC side, AE= 1/3AB,

The area of the triangle AEF is a parallelogram ()

8. There are 900 grams of sugar water with a sugar content of 6%. To increase the sugar content to 10%, add () grams of sugar.

9. This store sells 200 pairs of shoes for a shoe factory, and the commission fee is 15% of the total sales. After all the sales were completed, the store delivered 43,860 yuan to the shoe factory. These shoes are worth RMB () per pair.

10, there are two caring teams, and the number ratio of the first team and the second team is 5: 3; After transferring 14 of the first team to the second team, the ratio of the first team to the second team is 1: 2, so the second team has () people.

1 1. As we all know, a container is filled with water and has three balls, big, medium and small. Submerge the ball into the water for the first time, then the ball into the water for the second time and the ball in the middle into the water for the third time. Now we know that the water spilled for the first time is 1/4 for the second time and 2.5 times for the third time, and the volume ratio of large, medium and small balls is (): (): ().

12, the figure below is composed of many cubes with the length of 1cm, and its surface area is ().

13, among 60 students in a certain grade, 40 like playing table tennis, 45 like playing football and 48 like playing basketball. There are 22 people who like all three sports. Most people in this grade are not interested in these three sports.

Second, multiple-choice questions: (3 points for each question, *** 18 points)

1, between 1 and 100, the greatest common factor of * * * number and 24 is 8.

a、 12 B、 1 1 C、9 D、8

2. A red line and a blue line have the same length. Cut the red line by 4/5 meters and the blue line by 4/5 meters. The remaining red line is longer than the blue line, and the original two lines are ().

A is b longer than 1m, just c longer than 1m and shorter than1m.

3. The number of A is less than that of B 1/5, and the number of B is ()% more than that of A. ..

A, B, 25, 40

4. The factor is a number. If you turn it into a two-digit number and write 5 on its left, the product will increase by 200. This factor is ().

A, 40 B, 4 C, 20 D, 1-9 will do.

5. Cut a cylindrical iron block into the largest cone, and the rest weighs one kilogram. This iron block used to weigh 100 kg.

a、2a B、3a C、3/2a D、2/3a

6. There is a house, which is12m long and 8m wide. A dog was tied to a corner outside the house by a rope 14 meters long. The maximum possible range of dog activities is () square meters.

a、492.98 B、555.78 C、5 19.44

Three. Calculation questions: (3 points for each question, *** 15 points)

1、 1-2+3-4+5-6+……+2007-2008+2009 2、 1/3+ 1/6+ 1/ 10+ 1/ 15+ 1/2 1+ 1/28

3、(4/7× 10/9×4/ 1 1)÷(2/ 1 1+2/7+5/9) 4、〔3.5-(7/ 10+0.96÷ 16/5)× 19/7〕÷ 22/7

5、76×( 1/23- 1/53)+23×( 1/53+ 1/76)-53×( 1/23- 1/76)

Four. Graphic title: (5 points for the first question, 7 points for the second question, *** 12 points)

1. In the left figure, O is the center of the circle, OD=4, and C is the midpoint of OB. The shaded area is 14∏. Find the area of triangle OAB.

2. It is known that the ratio of △ADE, △CDE and square ABCD area is 2: 3: 8. And the area of △BDE is 4 square meters, what is the area of quadrilateral ABCD?

Verb (abbreviation of verb) comprehensive application: (1 and 2 questions 5 points, 3 and 4 questions 6 points, 5 and 6 questions 7 points, ***36 points)

1. Glass Company entrusts a transportation company to transport 500 glass bottles. The freight rate agreed by both parties is 1.5 yuan per piece. If one is broken, not only will the freight not be compensated, but it will be compensated 13.5 yuan. As a result, the transportation company took a handling fee of 705 yuan and asked how many glass bottles were broken during handling.

2. A batch of parts can be processed in five days with the cooperation of master and apprentice, in which the work done by apprentice A is12 of apprentice B and that of apprentice B is12 of master. If Apprentice A works alone for two days, how many days does Apprentice B need to cooperate with the master to finish the rest of the work?

3. Small supermarkets have the same amount of milk candy and fruit candy, milk candy 10 yuan 2 kg, fruit candy 10 yuan 1 kg. The clerk accidentally mixed two kinds of sugar and sold them at the price of 10 yuan 1.5 kg. When all the sugar was sold out, it was found that there was less income from sharing and selling. How many Jin of toffee and fruit candy are there in 60 yuan, a small supermarket?

4. There is a cylindrical reservoir filled with water, and its bottom circumference is 62.8 meters. After using some water, the water level is 60 cm lower than when it is full, and the remaining water is just 4/7 of the reservoir volume. What is the volume of this reservoir?

5. Both Party A and Party B set out from AB at the same time and walked towards each other. When they set off, their speed ratio was 3: 2. After the first meeting, Party A's speed increased by 1/5, and Party B's speed increased by 3/ 10, so when Party A arrived at B, it was still 14 kilometers away from A, so,

6. On an expressway, the distance between Party A and Party B is 600 meters. Xiao Ming and Xiao Qiang are training for race walking. Xiaoming walks 4 kilometers per hour, and Xiao Qiang walks 5 kilometers per hour. At 8 o'clock sharp, they both set out from Party A and Party B at the same time. 1 minute later, they turned around and walked in the opposite direction. After another 3 minutes, both of them turned around and walked in turn according to 1, 3, 5, 7 ... (consecutive odd numbers) minutes. When did they meet?