How to convert 1 10v alternating current into 220v in Japanese tourist attractions?

1. The farm tool factory wanted to produce 20,640 small farm tools, and 120 was half finished. How many pieces are produced on average every day?

A shoe factory produced 3860 pairs of men's shoes, twice as many as women's shoes. How many pairs of women's shoes were produced? (Solving by Arithmetic and X)

3. To build the canal, 840m has been built, and120m has not been built. How many times have you repaired it? (Answer in two ways)

4.38 militiamen practiced shooting, and one hit the ring of 1026. How many times did each militia fight on average? (Answer in two ways)

The railway from Nanjing to Jinan is 540 kilometers long. A train leaves from Nanjing and arrives in 9 hours. How many kilometers does this train travel per hour on average? (Answer in two ways)

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?

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.

1 1. Grandpa Wang's four cows produce 896 kilograms of milk every week. How much milk does an average cow produce every day/kloc-0?

12, four vehicles transport 960 bags of cement in three times. How many bags of cement does each car transport on average?

13, (1) There are three windows in each classroom of Shui Bo Primary School, and each window is equipped with 12 pieces of glass. How many pieces of glass have been installed in nine classrooms?

(2) Liu Yang Primary School has 12 classrooms, each classroom has 3 windows, and each classroom is equipped with 324 pieces of glass. How many pieces of glass are installed in each window on average?

14, Xiaohong bought two boxes of mung bean cakes, one weighing 1 kg. There are 20 pieces in each box. How many grams does each piece weigh on average?

15. A bus leaves from Zhang Cun. If you drive at a speed of 60 kilometers per hour, it will take 4 hours to reach Lizhuang. It only took three hours to get there. How many kilometers does this car actually travel per hour on average?

16, Baita Village plans to build a canal. If16m is built every day,18m can be completed. I built 24 meters on the first day. According to the progress of the first day, how many days can it be completed?

17, Hong Guang Hotel bought 100 towels, each 6 yuan. How many towels can I buy if I buy a towel with this money of 8 yuan?

18, a pack of A4 copy paper, 25 sheets a day, used up in 20 days. How many days can I use less than five cards a day?

19, a professional beekeeper, raised 24 boxes of bees this year. Last year, 5 boxes of bees brewed 375 kilograms of honey. According to last year's honey output, how many Jin of honey can be brewed this year?

20. Dongdongjia raised 135 trees on the land of 15 square meters. According to this calculation, how much land is needed to raise 990 trees?

2 1, Hongshicun Primary School is divided into 6 groups, with 4 people in each group and 360 trees in each group. How many trees are watered per person on average?

There are three times as many eggs in the box as in the basket. There are 96 eggs in a box. How many eggs are there in six baskets?

23. The average speed of a train before speeding up is 7 1km, and it takes 12 hours to get from Qinhuangdao to Handan. After speeding up, the average speed is 95 kilometers per hour. How many hours does it take from Qinhuangdao to Handan after speeding up?

24. Aunt Wang is an expert in making children's clothes. She can make 75 sets of children's clothes a week. Now the working week is five days. (1) According to this calculation, how many sets can 15 make?

(2) How many days does it take to make 120 sets of children's clothes?

25. The coach from Beijing to Qingdao passes through Tianjin and Jinan. It departs from Beijing at 6: 30 in the morning with an average speed of 85 kilometers per hour. When does it arrive in Qingdao?

137km； From Beijing to Tianjin; 360km from Tianjin to Jinan; Jinan to Qingdao is 393 kilometers.

26. Sunshine Primary School has 960 teachers and students. 60 tons were used in June. (1) How many tons of water does the school use on average every day?

(2) According to this calculation, how many people can use 1 ton of water for one day?

How about a month?

27. 125 male students and 1 19 female students were led by three teachers to visit the history museum. During the visit, they can only enter in batches, with a maximum of 50 people allowed at a time. How many batches at least?

28. A story book has 448 pages. Obviously, it took 16 days to read it. Fangfang reads 4 pages more than Mingming every day. How many pages does Fangfang read every day?

In order to carry out sports activities, the class pays for playing basketball and volleyball. It is known that it costs 16 1 yuan to buy three basketballs and two volleyballs. If you spend 245 yuan to buy three basketballs and five volleyballs, how much is a basketball? How much is a volleyball?

30. Mingming is a child who loves learning. He does some oral arithmetic problems every week except Sunday. If he does 300 words a week, how many words can he do in three weeks?