There are 12 math application questions from primary school to middle school, and 12 math applicatio

That's so much, it's too time-consuming, please mention a few less at a time or offer a reward of 100 and someone will do it.

There are 12 selected math application questions for elementary and junior high schools.

1 .Xiao Ming reads a book, he reads 40% of the whole book on the first day, and reads 40 more pages on the second day than on the first day, and there are still 20 pages left unread, how many pages are there in this book? (Equations cannot be used).

2 A batch of parts, the first day processed 1 4 of the total, the second day was 25% more than the first day, and the two days were 400 less than the total, how many parts are in this batch? (Equations cannot be used).

3 There were 56 students in a class, of whom 3 7 were girls. In the new semester, several more girls were transferred, and at this time girls accounted for 1 2 of the class. How many girls have been transferred?

4 There are 3 workshops in a factory, the number of people in the first workshop accounts for 1 4 of the total number of people, the number of people in the second workshop is 7 8 of the number of people in the third workshop, 12 people in the first workshop are less than the third workshop, how many people are in the first workshop? What about the second workshop? And the third?

5 How many square centimeters do you need to cut a rectangle 10 centimeters long and 8 centimeters wide into the largest circle?

6 And he went from A to B, and on the first day he walked 3 8, and on the second day he went the remaining 40 percent, and there was still a remainder. The distance is 6,500 meters longer than the next day's journey, how many kilometers is the total length? (Equations cannot be used).

7 Repair a road, 20 per cent of the total length on the first day, 5 8 on the second day, 40 per cent more than 30 metres on the third day, and 60 metres remaining. How many meters is this section of the road?

8 .Du Po 2006-12-24 deposited 3100 yuan in the bank for 5 years, if the annual interest rate is 5%, how many more yuan can he get by December 24, 2011?

9 It takes 8 hours for the express train to drive from city A to city B, and it takes 12 hours for the slow train to drive from city B to city A.

10 It takes 8 hours for the express train to go from city A to city B, and it takes 12 hours for the slow train to drive from city B to city A, and the two cars drive out of the two cities at the same time, and when they meet, the fast train travels 180 kilometers more than the slow train, how many kilometers are the two cities A and B apart?

11 A factory has two workshops A and B, if 150 people in workshop A are transferred to workshop B, then the number of people in the two workshops is equal, if 100 people in workshop B are transferred to workshop B, then the number of people in workshop B is 1 3 of workshop A, how many people are there in each of the two workshops?

12 TV inspection, the defective product is ** of 1 9, and later re-checked, there is 1 and not **, at this time, the defective product is ** of 3 22, how many TVs are there in this batch?

I can provide a question where the known number a is divided by 3 and left for 2, divided by 4 for 2, divided by 7 for 2, divided by 7 for 4.

It is known that the number b is divided by 7 and left with 2, divided by 8 and left with 2, divided by 5 and left with 3.

It is known that the number c is divided by 13 to balance 3, divided by 7 to balance 1, divided by 19 to balance 6.

What is the abc of each? What is its greatest common factor?

a=74b=58

c = 120 greatest common factor = 2

In the first 10 days of this month, 1,800 reams were generated.

In this way, 1800 (30 10) = 5400 reams of paper can be produced in June.

Production increased (5400-4800) 4800 = 600 4800 = 1 8 = percent.

One hundred and eighteen.

Two 600*(1 3)=200

600-200=400km

Three 30*2=60

Fourth, the first team has 4x people, and the second team has 3x people.

The equation is. 4x-5=3x+5

x=104*10=40 people.

3. (30+5) 5 50 = 350 meters.

A bundle of wire turned out to be 350 meters long.

4. (8+7+6) (RMB.)

The average is 14 yuan per kilogram.

5. There are 800 art exhibits 5 (5+3)=500 pieces, and calligraphy exhibits have 800-500=300 pieces.

5 (3+5) = 30 people.

Among them, there are 30 female waitresses.

Kilometers = 120,000 meters = 12,000,000 centimeters, 12,000,000 4,000,000 = 3 centimeters.

On a map of 1:4000000 the distance is 3 centimeters.

Yuan. After maturity, Wang Li's father can get after-tax interest.

2. The actual production per ton is 119 tons per day.

3. (30+5) 5 50 = 350 meters.

A bundle of wire turned out to be 350 meters long.

4. (8+7+6) (RMB.)

The average is 14 yuan per kilogram.

(5+3)*3=300 pieces.

(3+5)*5=30 people, of which the female service is called 30 people: km = 120000 meters = 12000000 cm 12000000 4000000 = 3 cm.

On a map of 1:4000000 the distance is 3 centimeters.

Yuan. After maturity, Wang Li's father can get after-tax interest.

2.3. 30/5*50+50=350m4.(8+7+6) yuan.

5.Art exhibits: 800*5 8=500 pieces; Calligraphy exhibits: 800*3 8=300 pieces.

6.48*5 8=30 people.

7. 120*1000/4000000=8.10,000*.

A bundle of rice wire turned out to be 350 meters long.

4. (8+7+6) (RMB.)

The average is 14 yuan per kilogram.

(5+3)*3=300 pieces.

(3+5)*5=30 people, of which the female service is called 30 people: km = 120000 meters = 12000000 cm 12000000 4000000 = 3 cm.

On a map of 1:4000000 the distance is 3 centimeters.

Yuan. After maturity, Wang Li's father can get after-tax interest.

2. The pharmaceutical factory originally planned to produce tons of disinfectant per day and complete the task in 14 days, but due to the anti-SARS epidemic, it was actually completed in 9 days, and how many tons were actually produced per day?

119 tons. 3. A bundle of iron wire is cut 50 meters and weighs 5 kilograms, and then the remaining iron wire weighs 30 kilograms, how long is a bundle of iron wire?

350 meters. 4. On Sunday, Xiaohua went to the grocery store with her mother to buy meat, and bought a total of 3 pieces, each kilogram. Due to the different parts of the meat, ** is not the same, the first piece is 8 yuan, the second piece is 7 yuan, and the third piece is 6 yuan. How much is the average per kilogram of these three pieces of meat?

$14. 5. There are a total of 800 exhibits in the school painting and calligraphy festival. Among them, the ratio of art exhibits to calligraphy exhibits is 5 3, how many pieces of each type of exhibit are there?

Art exhibits 800 5 (5+3) = 800 5 8 = 500 pieces.

Calligraphy exhibits 800 3 (5+3) = 800 3 8 = 300 pieces.

6 Xiyingmen Hotel wants to recruit a group of waiters according to the ratio of men and women 3 5, and the result is 48 people, how many waitresses are there?

30 people. 7The actual distance between cities A and B is 120 km, what is the distance between the two cities on a scale 1 4000000 map?

120 km = 12000000 cm.

12000000 1 4000000 = 3 cm.

8 In May 2003, Wang Li's father deposited 10,000 yuan in the bank and withdrew the whole deposit for one year, with an annual interest rate, and the interest on the deposit was taxed at a rate of 20. Q: After expiration, how much after-tax interest can Wang Li's father get?

198 80% = RMB.

2. The actual production per ton is 119 tons per day.

3. (30+5) 5 50 = 350 meters.

A bundle of wire turned out to be 350 meters long.

4. (8+7+6) (RMB.)

The average is 14 yuan per kilogram.

5. There are 800 art exhibits 5 (5+3)=500 pieces, and calligraphy exhibits have 800-500=300 pieces.

5 (3+5) = 30 people.

Among them, there are 30 female waitresses.

Kilometers = 120,000 meters = 12,000,000 centimeters, 12,000,000 4,000,000 = 3 centimeters.

On a map of 1:4000000 the distance is 3 centimeters.

Yuan. After maturity, Wang Li's father can get after-tax interest.