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Elementary school mathematics Qingdao edition fourth grade second volume unit 1 application problem
1. 523 teachers and students participated in the tree planting activities. If 70 people are divided into a group, how many groups can they be divided into at most?

2. Enter a 466-word article by computer. Red can input 60 words per minute, and Congcong can finish it in 7 minutes. Who gets in faster?

3. Uncle Wang's orchard harvested 358 Jin of apples, 270 Jin of pears and 0/96 Jin of plums. Apples are 40kg per box, pears are 30kg per box and plums are 20kg per box. Let's calculate: How many cartons do you need for each of these fruits?

4. Plant trees along the road with a length of 180m, and plant a tree every 20m. How many trees do I need to plant?

Is it enough for eight of us to buy tickets with 260 yuan money? How many methods can you work out? )

6. Vehicle speed per second 18m, vehicle length 18m, tunnel 324m. How long does it take for the car to pass through the tunnel?

7. Chunguang Grain and Oil Company wants to export 680 tons of grain. How much do you need if you use a 22-ton container? How many 17 ton containers do you need?

The expressway from Shijiazhuang to Chengde is 546 kilometers long. The Honghong family drove from Shijiazhuang to Chengde to visit the summer resort. If they drive an average of 78 kilometers per hour and leave at 8 am, when will they arrive?

9. A rectangular vegetable field is 9 meters long and 6 meters wide. This vegetable field receives 972 kilograms of vegetables. How many Jin of vegetables do you collect per square meter on average?

Shanghai Oriental Pearl TV Tower is the tallest TV tower in Asia, with a height of 468 meters. The first floor 12 floor is 39 meters high. The height of the TV tower is equivalent to the height of several 12-story residential buildings.

Okay?