2. Each car carries 9 tons of goods at a time, and there are 6 cars in total. How many tons do these cars carry four times?

3. One high-grade ceramic tile 13 yuan, 25 yuan per box. Xiao Gang bought three boxes when he repaired it. how much is it?

The school library has 700 books and 7 shelves, each with 5 floors. How many books are there on each floor?

5. The school organized 540 students to plant trees, which should be divided into five planting points. Each tree planting point is divided into 9 groups. How many people are in each group?

6. Five carts of cucumbers were delivered from the market, each with 70 bags and 20 kilograms each. How many kilograms of cucumbers did a * * * ship?

7. The bright primary school Teaching Building has three floors, each with 12 classrooms, and each classroom is equipped with six fluorescent lamps. How many lamps are installed in these classrooms?

8. There are 180 pots of Phalaenopsis in the flower bed of the school, which is less than 15 pots of Chinese rose. How many pots of Chinese rose are there?

9. Xiaoming has 275 big cows, 25 more than the little cows. How many calves are there?

10 mom spent 105 yuan on seven cups, but she didn't think it was enough. She bought three more cups. How much did it cost mom to buy a cup?

1 1, a notebook has 16 pages, each page has 10 lines, and each line can write 8 Chinese characters. How many Chinese characters can this instinct write?

12. A bookshelf has five floors, and there are 30 books on the first floor. How many books can be put in six such bookshelves?

13. A flour mill can grind 50 kilograms of flour per hour. How many kilograms can four such flour mills grind in eight hours?

14. On Arbor Day, the students were divided into 8 groups with 5 people in each group, and * * * planted 160 trees. How many trees are planted per person on average?

15, the supermarket sent 820 Jin of eggplant. A total of 4 times, 5 boxes each time. How many kilograms can each box hold?

16, the students went to military training and left in 3 hours 12km. At this rate, it will take two hours to reach the destination. How many kilometers did the military training walk?

17,5 bags of 40 apples, how many bags can 96 apples hold?

18, 50 points for an eraser, and 2 yuan for each diary. How many erasers can I buy with the money for four diaries?

19. There are 400 story books in the corner of the classroom, and 36 books are more than 7 times as many as science books. How many science and technology books are there?

20. Pour milk into an empty bottle with a cup. If you pour two cups of milk, the bottle will weigh 450 grams. If you pour 5 cups of milk, the bottle will weigh 750 grams. How many grams does a glass of milk and an empty bottle weigh?

2 1. There is an empty bottle. After pouring 2 glasses of water, the water bottle weighs 480 grams. After pouring 4 glasses of water, the water bottle weighs 780 grams. How much does a glass of water weigh? How many grams does this empty bottle weigh?

22. A healthy adult's heart beats 72 times per minute on average. According to this calculation, how many heartbeats does a healthy adult have in 10 hour?

23. The roller of the paver is 3 meters wide and advances 400 meters per hour. According to this calculation, how many square meters can be paved in three hours?

24. A radio in 85 yuan, the price of a TV set is 36 times that of a radio. How much is the TV set more expensive than the radio?

25. A car contains a batch of rice and a car contains 70 bags. 15 car has been shipped out, and now there are 70 bags left. How many bags of rice are there?

26. Dad bought five boxes of drinks, one of which cost 240 yuan, with 8 bottles in each box. How much is each bottle of drinks?

27. Xiaogang has three cows at home. On Monday, * * * produced 525 kilograms of milk. How many kilograms does each cow produce on average every day?

28. Mom and Dad took Xiaohong and Xiao Li to the aquarium to watch the performance. * * * Tickets 120 yuan, one adult ticket and one student ticket. How much is it?