Name: Score:

1. 15.48×35- 154.8× 1.9+ 15.48×84

2. Solve the equation. 5×(2x+7)-30=3×(2x+7)

The number on the 106 bit to the right of the circular decimal point of 3.0.37 205 is.

4. A row of telephone poles, the distance between two telephone poles used to be 35 meters, but now it is 45 meters. If one position of the starting point does not move, at least one pole does not need to move. The speed of a ship in still water is18km, and it takes 4 hours to travel 80km along the river. The current velocity of this river is.

6. The students went for a spring outing. There are 78 people with kettles, 77 people with fruits, and 48 people with both kettles and fruits. Students from * * * will take part in the spring outing. 7. The smallest four digits that can be divisible by 3, 4 and 5 at the same time is.

8. For a game, the perfect score is 100, and each person can do it four times, which is divided into game scores on average. Xiao Wang's average score is 85.

Points, then, he can't score less than points in any game.

9. In the fifth grade math contest, Xiao Ming won the ranking with him.

The product of his age and the result of the competition is 2 134, and Xiao Ming won.

Rank name, score is points. 10. There is a six-digit □2002□ divisible by 88. This six-digit number is.

1 1. Use four numbers to form a formula, and the result is 24. The formula is.

12. There are six classes in Grade Five, and the number of students in each class is the same. Congmei

The class selected 16 people to participate in the Young Pioneers activities, and the rest of the students were equivalent to the original four classes. 13. The sum of five consecutive odd numbers is 95, of which the largest is and the smallest is.

The sum of 14. 1+2+3+4+5 ... +2007+2008 is. (odd or even)

15. Seven of the eight rooms have lights on. If you toggle the switches in four rooms at the same time, you can (or can't) turn off the lights in all rooms, and toggle the switches in five rooms at a time, you can (or can't) turn off the lights in all rooms. 16. Lanterns are hung on New Year's Eve, and they are all bright. When you count to three, you can count them all. When you count to five, there is one left. On the count of seven, it's just right. When you count to eight, you need three more. Please guess for yourself, there is at least one lantern.

17. When two numbers are divided, the quotient is greater than 7 and 3. If the sum of dividend, divisor, quotient and remainder is 53, dividend is () and divisor is ().

18, the number of watermelons shipped by fruit shops is twice that of white melons. If you sell 40 melons and 50 watermelons every day, there will be 360 watermelons left after the melons are sold out in a few days. Watermelons and melons in the fruit shop * * * ().

19, 3 large bottles and 5 small bottles can hold 5.6 kilograms of ink, 1 large bottles and 3 small bottles can hold 2.4 kilograms of ink. Then two large bottles and 1 small bottle can hold () kilograms of ink.

20. A, B and C work in Nanjing, Suzhou and Xi 'an respectively. Their occupations are workers, farmers and teachers. It is known that (1) A does not work in Nanjing, (2) B does not work in Suzhou, (3) A worker works in Suzhou, (4) A teacher does not work in Nanjing, and (5) B is not a farmer. So, a is, at work. Second, the answer (each question 10 points)

1 has three numbers, A, B and C. Take 17 from A to B, 19 from C to A, and 20 from B to C. At this time, all three numbers are 200. So what are the initial numbers a, b and c?

On the first day of Class One, Grade Five, every two students meet and shake hands. How many times do 40 people in the class have to shake hands?

3. Party A and Party B start from AB and drive in opposite directions at the same time. Party A travels every hour 1 1 km, and Party B travels every hour15km. After meeting, they moved on. It is known that they are 30 kilometers apart in 4 hours. How many kilometers are the two places apart?

4. It takes 25 seconds for a train to pass through a 250m-long tunnel and 23 seconds for a 2 10/0m-long tunnel. It is also known that there is a truck in the same direction in front of the train. The truck body is 320 meters long and the speed is 17 meters per second. How many seconds does it take for a train and a truck to meet and leave?

Dongfeng automobile factory originally planned to manufacture a batch of luxury cars, and it takes 30 days to manufacture 18 cars every day. If two more cars are built every day, how many days can it be completed in advance?

6. It costs 228 yuan to buy 3 footballs and 5 volleyballs. It costs 3 12 yuan to buy 6 footballs and 2 volleyballs. Now the sports group has bought 1 1 football and 9 volleyball. * * * How much do you need?

10, one class has 12 students, and only 10 students take a math exam, with an average score of 8 1.5. Later, Li Minghe Zhang Hong, who was absent from the exam, took a make-up exam. Li Ming's make-up exam score is 1.5, which is less than the original average score of 12, but Zhang Hong's make-up exam score is 12/2.5. How many points did Zhang Hong get?