5×24+76= 25+75÷3=

5×8+2÷2= ( 16+4÷2)× 10=

47 - (2 1 - 15)×5= 5×9 - 24÷8=

1000÷ 125+560÷56= 150 - (25×4+5)=

Second, the operating rules should be observed, and I will distinguish who comes first. (9 points)

1, (148-11÷ 37) × 5, calculate () method first, then () method, and finally () method.

2, 200×5-( 147+465), you can calculate the () method and () method at the same time, and then calculate ().

3.(39+ 105)÷(35-27), after removing the two brackets, first calculate the method (), then calculate the method (), and finally calculate the method ().

Three, fill in the appropriate figures in □, and then list the comprehensive formula. (8 points)

1、

Comprehensive formula: comprehensive formula:

Fourth, use recursive equations to calculate the following problems. (18)

( 125+ 13×24)×5 (98- 12 1÷ 1 1)÷29

2 1×(230- 192÷4) (470+35×3)÷23

2600÷( 1280- 15×72) 3774÷37×(65+35)

5. Column calculation. (12)

What is the quotient of the sum of 1, 725 and 475 divided by 25?

2. What is the product of185 multiplied by the difference between 97 and 53?

What is the sum of the quotient of 3.870 divided by 5 and the product of 30 and 23?

What is the sum of 4784 plus 128 divided by 8 and multiplied by 23?

Fill in the form, make a histogram and answer questions. (17)

There are 44 students in Class One, 40 students in Class Two, 48 students in Class Three and 36 students in Class Four in Grade Four. Fill in the number of people in the statistical table below.

Total of Class One, Class Two, Class Three and Class Four

number of people

Make a bar chart according to the data and draw it on the grid on the right.

Answer the following questions:

1, there are () people in the fourth grade.

2, a grid represents () individuals.

3, according to the statistical chart, please put forward 2.

Questions and answers.

(1) Question:

Column type:

② Question:

Column type:

Seven, application solutions. (24 points)

1 and 15 cows eat concentrate for 7 days 1260 kg. How many Jin of concentrated feed does each cow eat on average every day?

Every four years, class one buys 252 exercise books, class two buys 270 exercise books, and everyone buys 6 exercise books. How many people are there in Class Two and Class One?

3. Six times by big ship and nine times by small ship. The ship carries 30 tons each time, and the boat carries 12 tons each time. How many tons did the big ship transport more than the small one?

There are 25 workers in a workshop, and each worker assembles 5 motors every day. How many motors can this workshop assemble in 23 days?

5, mentoring * * * cooperate to produce a batch of parts, 5 days to complete. Apprentice * * * out 125, master * * * out 230. How many more masters are produced than apprentices on average every day? (Answer in two ways)

6. The following table shows Xiaohua's final exam results:

Subject Chinese, mathematics, ideology and morality, natural sports music.

The scores are 92, 95, 96, 93, 82, 94.

What is the average score of Xiaohua?