1, classic exercises of application problems in the fourth grade of mathematics: three ships, A, B and C, carried 9400 cases, of which ship A carried 300 cases more than ship B and ship C carried 200 cases less than ship B. How many cases do you want each of the three ships to carry?

2. It takes six hours for a car to travel 580 kilometers from A to B. On the way, some expressways are expressways and the other part is ordinary highways. It is known that the speed of automobiles on expressways is120km, and that on ordinary highways is 80km. How many kilometers has the car traveled on the expressway?

3. Xiaohua's home is 2300 meters away from school, and he goes to walking to school every day. One day, he was moving at a speed of 80 meters per minute. When he looked up, he found that he would be late. He immediately switched to running at a speed of 150 meters per minute and arrived at school on time in 20 minutes. How far does Xiaoming start running from school?

4, the fourth grade mathematics classic application questions and answers: 84 kilograms of soybeans can squeeze out 12 kilograms of oil. According to this calculation, how many kilograms of soybeans do you need to squeeze 120 kilograms of oil?

5. A rope is divided into three sections, the first and second sections are 38.7m, the second and third sections are 465,438+0.6m, and the first and third sections are 39.7m.. How long are these three pieces of rope?

6. Three baskets of apples * * * weight 1 10.5 kg. If you take out 18.6 kg from the first basket, 23.5 kg from the second basket and 20.4 kg from the third basket, then the remaining apples in the three baskets weigh the same. How many kilograms were there in the original three baskets?

7. Xiaoming and Xiaohua both leave home for school at 7:30 in the morning. Xiaoming walks 120 meters per minute, and Xiaohua walks 80 meters per minute. When Xiaoming arrived at school five minutes later, he found that he had forgotten to bring his pen, so he went home to get it. At 7: 55, he met Xiaohua on the road. How far is it from school to home?

8. A student's home is 3 kilometers away from school. He goes to school by bike every morning at a speed of15km, and arrives at school on time. One morning, due to the headwind, he could only ride at the speed of 10 km/h at the starting point of 10 km/h. At what speed should he get to school on time for the rest of the journey?

9. There are two kinds of tickets for a concert: 40 yuan and 60 yuan. 60 yuan has 100 seats and 40 yuan has 250 seats. Box office income 15000 yuan. How many people are in the audience? It is known that both kinds of tickets are sold in whole tens. )

10 once, Xiao Ming brought a basket of yamanashi from the mountains. He called Xiaogang and Xiao Qiang and said to them, I'll give you some of this basket of pears first, and the rest is mine. ? So, he gave half a yamanashi to Xiaogang, and then added 1 to Xiaogang. Then, he gave the remaining half to Xiao Qiang and 1 to Xiao Qiang, leaving five yamanashi for himself. How many yamanashi are there in a * *?

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