1, six times by big ship, nine times by small ship, 30 tons by big ship and 0/2 tons by small ship. How many tons of goods did this big ship and this small boat transport?

2. Teacher Liu corrected 98 compositions, and corrected 20 the next day, 8 more than the first day. How many articles have not been corrected?

3. In the sports meeting, 365,438+05 students participated in the gymnastics performance. They are divided into five groups on average. How many students are there in each group?

4. There are 27 classes in bright primary school. It costs 189 yuan to buy a washbasin and a towel for each class. How much is each washbasin?

The vegetable shop sent1800kg of cabbage and 850kg of cauliflower, each 50kg was put in a basket. How many baskets of cabbage are there than cauliflower? (Answer in two ways)

This farm tool factory produced 4650 farm tools in the first half of the year and 5382 farm tools in the second half. How many farm tools are produced on average every month throughout the year?

7. Clothing processing department can make 24 sets of adult uniforms with 120m cloth.

If you make children's clothes,

You can make 30 sets,

How much rice cloth does each set of children's clothes use less than adults?

8.

A chicken farm sold 12300 chickens in April.

In May, it sold 200 vehicles, twice as few as in April.

How many chickens are sold in two months?

9. A chemical fertilizer factory produced 365,438+00 tons of chemical fertilizer in January, 400 tons in February and 490 tons in March. How many tons of chemical fertilizer are produced on average every month?

10 A horse eats 12 kg of grass every day.

According to this calculation, 25 horses,

How many kilograms of grass can you eat a week? (two calculation methods)

1 1. Master Wang makes 45 parts per hour.

Apprentices do 28 per hour,

Master Wang works for 6 hours.

The apprentice worked for eight hours,

How many machine parts do they produce?

12, the factory has 8000 kilograms of coal,

Originally planned to burn for 25 days,

Due to the improvement of the stove, it actually burned for 32 days.

How many kilograms are saved on average every day compared with the original plan?

13, the site needs 1280 bags of cement, which will be transported by 8 carts in 4 times.

A cart,

How many bags of fertilizer can be transported at a time? (calculated in two ways)

/kloc-Class 0/4 and Class 4 (1) have 22 girls, 3 less than boys; The number of students in Class Four (2) is equal to that in Class Four (1). How many students are there in Class Two?

15. To assemble 2 10 computers, it has been installed for 6 days, and 15 computers are assembled every day. The rest will be assembled 20 units a day. How many days will it take to complete?

16. Mom took 50 yuan to the supermarket. I bought three bottles of cooking wine, each bottle of 8 yuan, and then used the remaining money to buy milk powder. Each pack 12 yuan. How many bags can I buy at most?

Woodpeckers eat an average of 45 15 pests every day, and tits can eat 1 155 pests in 7 days. How many pests do woodpeckers eat on average every day than tits?

18, five trucks are transported in six times 150 tons of cement. How many tons does a truck transport on average?

19, each car saves 65 kilograms of gasoline every month. According to this calculation, how many kilograms of gasoline can a 15 car save a year?

20. Chicken professional households sell 98 cocks and 87 cocks. The number of hens is five times that of roosters. How many hens does a professional chicken farmer have?