3. There is a seeder with a working width of 2 or 2 meters and a tractor.
Traction, calculated as per hour15km, can be
How many hectares are sown?
26. There is a triangular vegetable field with a base of 18m and a height of 6m. 27. parallelogram glass with a bottom of 1.6m and a height of 0.9m,
Plant a cabbage every 0.04 square meter, and this land can grow glass every square meter. Price 40 yuan. You need to buy this cup.
How much cabbage? how much is it?
28. A barrage has a trapezoidal cross-section with a dam face of 8 meters wide. 29. Xiaoming's family has a rectangular Gua Tian, 48 meters long and 20 meters wide.
The dam bottom is 26.8 meters wide and the dam height is 6 meters. Its cross-sectional area, this summer * * * received 2400 Jin of watermelon, average per square meter.
How many square meters is it? How many kilograms is the output of watermelon?
30. Trapezoidal wheat field, with an upper bottom of 76m and a lower bottom of 120 3 1. On the trapezoidal iron plate, the upper bottom is 0.8m, the lower bottom 1m, and the height is 0.6.
Meters, the height is 50 meters, a * * * harvests 8820 kilograms of wheat, square meters, what is the area of this iron plate?
How many kilograms of wheat are harvested per square meter?
32. A parallelogram vegetable field is 48 meters long at the bottom and 33 meters higher than the height. A piece of red cloth is 30m long and1.5m wide. Think of it as two right angles.
8 meters, what is the area of this parallelogram vegetable field? How many sides can a right-angled pennant of 5 meters on each side be made?
Square meters? Face?
34. A piece of red cloth is 30m long and1.5m wide. Use it to make two pieces. 35. The parallelogram is 48 meters long and 30 meters high. It is planted.
A right-angled pennant with a right-angled side of 5 decimeters can be used for soybeans and corn. The area of soybean is twice that of corn, and the planting amount is large.
How many noodles? How many square meters of beans and corn?
36. Grade 5 (1) students use two, length 1 m, width 0.8m 37. The working width of a roller is 1.8 m, and it moves forward every minute.
How many sides of colored paper can a right angle of 0.25 60 meters make? How many square meters can this road roller/kloc-0 press per hour?
The meter and the 0.2 meter flag?
38. Triangle vegetable field, base 16.4m, height 20m. 39. Trapezoidal orchard, with an upper bottom of 50 meters and a lower bottom of 120 meters.
If you can collect 5 kilograms of carrots per square meter of vegetable field, the height is 60 meters. If each apple tree covers an area of 4 square meters,
How many Jin of carrots does this vegetable field collect? Rice, how many apple trees can this orchard grow?
40. The height of parallelogram wheat field is 40 meters and the bottom is 4 1. A barrage has a trapezoidal cross section (as shown on the right) and a wide dam surface.
65438+ is 0.5 times higher. This land * * * harvests 972kg of wheat, 9.2m, with a dam bottom width of 24m and a dam height of14m. The river is blocked.
How many kilograms of wheat are harvested on average per square meter? What is the cross-sectional area of the dam?
42。 A parallelogram wheat field with a bottom of 240 meters and a height of 43 meters. Cut a rectangular steel plate with a length of 3 meters and a width of 0.8 meters.
85 meters, if the wheat harvest is per square meter 1.2 kg, this right-angled triangular steel plate with right-angled sides of 0.3 meters and 0.2 meters.
How many kilograms of wheat does this land harvest? How many pieces can it be cut into?
44. parallelogram vegetable field with a base length of 20.5 meters. 45. Buy bicycles at 1.560 yuan, and the price of each bicycle is 260 yuan.
5 meters higher than the height, find the vegetable area. How many cars can I buy? (c stands for total price; A stands for unit price,
B stands for quantity. Write the letter formula first, and then work out the result with numbers)
46. Master Wang processes 24 parts per hour, working 6.5 47. Fill in the formula with the letters in brackets.
Hours, what is the total number of parts processed by a * * *? (use table A (1). There were 75 passengers on a bus, and X people got off.
Said work efficiency, t said time, c said the total workload, and 28 people came up. There are () people in the car now.
Write the letter formula first, and then substitute it into the numerical value to find the result) (2) There are X kilograms of apples in the fruit shop, and the number of pears is four times that of apples.
2 kilograms more, pears have () kilograms.
48. Use a formula containing letters to express the quantitative relationship of the following questions. (3) There were three cars in the parking lot before, and two cars were driven away. Now the parking lot is
(1) A book has 205 pages, Xiaohong has read page D, and (and a car ().
) I didn't read the page.
(2) A pen is one yuan, and a ballpoint pen is cheaper than a pen. (4) There are X hens in the chicken farm, and the number of chickens is only counted by hens.
4 yuan. A ballpoint pen cost () yuan. 20 times, one * * * has a chicken ().
(3) Li Shifu processes 65,438+08 parts per hour, and X is very small. (5) The base of the parallelogram is meters and the height is h meters. Find the parallelism.
, a * * * processed () parts. The formula of quadrilateral area is ().
(4)50 bicycles are a ***b yuan, and each bicycle is ((6) buy 4 pens, each pen is X yuan, and pay 100 yuan.
) yuan. The money to be returned is () yuan.
(5) M yuan for each basketball and N yuan for each football. I bought it at school. This factory uses x tons of coal every day. It took five days, and there were 28 coals left.
10 basketball and 18 football, one * * * used (tons, the original tonnage of coal in the factory was ().
) yuan. (8) Pencils are a yuan each, and pens are b yuan each. Buy two pencils.
Signing pens are more useful than buying 10 pencils ()
(6) The length of a rectangle is one meter, which is 3 meters more than the width, and the area of the rectangle is yuan.
It is () square meters.
49. Use equations to express text questions. 50. A workshop processes a batch of parts. If 270 parts are processed every day,
Sum of X and 7: After working for 5 days, 740 pieces need to be processed to complete. This batch
The difference between B and 5: How many parts are there in the first part? (column equation solution)
Half:
How much is four M's more than six N's: 5 1. Zhang bought/kloc-0.5 kg of flour, paid 50 yuan and got back 2.
Other than B: RMB, how much RMB per kilogram of flour? (column equation solution)
Eight times the sum of s and 2 1:
The sum of 60 and x is 120: 52. The triangle has an area of 32 square centimeters and a height of 4 centimeters.
The quotient of 38 divided by x equals 8: How many centimeters is the base of the triangle? (column equation solution)
The product of 75 and x is 150:
2x less than 36 6:
Solving application problems with column equations
1. Xiaoying has 46 sets of stamps from China, which is three times that of foreign stamps. 2.a and B are 798 kilometers apart, and two trains leave from two at the same time.
1 multiple sets. How many sets of foreign stamps does Xiaoying have? The ground is opposite. Meet me in six hours. As we all know, every train is very small.
The speed is 62 kilometers per hour. What is the speed of the other train?
kilometre (km)
3. The fruit shop delivered 250 kilograms of pineapples, and 4.3 pens heavier than apples were more expensive than 5 ballpoint pens, each 5.9 yuan.
/kloc-less than twice of 0/0 kg, how many kilograms of apples did you bring in? 4.8 yuan, how much is each ballpoint pen?
The circumference of isosceles trapezoid is 84 cm, and the upper bottom is 30 cm. 6. The master and the apprentice made 800 toys together, which is known to be made by the master.
Cm, the base is 16 cm, how many centimeters is its waist? The number of students is 0.5 times that of 65438+ apprentices. Master and apprentice make their own toys.
How many pieces?
The number of peach trees in the orchard is 2.5 times that of pear trees, and there are more peach trees than pear trees. 8. The PE teacher bought 500 yuan for sportswear and 12 yuan.
There are 75 trees. How many peach and pear trees are there? After the sportswear, I got back 14 yuan. How much is each sportswear?
9. There are two baskets of apples, the first basket is 25kg, and the second basket is 29 10. The hippopotamus weighs 3800 kilograms, which is heavier than the buffalo.
Kg, the first basket is less than the second basket 12.8 yuan, 200 kg per basket is 9 times more. How much does a buffalo weigh?
How much is a kilo of apples?
1 1. At the 9th National Games, Jiangsu team won 24.5 gold medals. 12. I spent 20.8 yuan on 3 bars of soap and 5 packs of washing powder.
Guangdong has three times as many gold medals as Jiangsu, and four fewer than Jiangsu. Soap 1.6 yuan, how much is a pack of washing powder?
How many gold medals did Guangdong win?
13. Each bar of soap 1.6 yuan, 3.2 yuan for each pack of washing powder. Buy 3 14. The base of the triangle is 4.8 decimeters and the area is 7.68 square meters.
How much is a bar of soap and five packs of washing powder? What's its height in decimeters?
15. Dongfeng primary school went for a spring outing. All the students in the school are 7 15, and the other 40 16. The school bought 40 lesson preparation books and 20 bottles of ink for one purpose.
Did not get on the bus, but left 15 buses, with an average of 192 yuan. It is known that every lesson preparation book, 3.7 yuan, and every bottle of blue ink.
How many people are there on a bus? how much is it?
17. There are 1050 cocks and hens in the chicken farm, and only 18 hens. The school bought the same basketball, handed it in 100, and got back 5.5.
The number is 20 times that of roosters. How many cocks and hens are there? Yuan. How much is each basketball?
19. There are 350 boxes of white chalk in the school, which is twice as much as colored chalk. 20. There are 24 bags of rice in the school canteen, each bag is 15 kg, which has been used up.
20 boxes. How many boxes of colored chalk are there? After some, there are 75 kilograms left. How many meters is used in the canteen?
Kilogram?
2 1. There are two cars for Party A and Party B, and a set of tables and chairs will be bought from 68 yuan, which are 496.8km apart. The price of a table is three times that of a chair.
The ground is opposite, and the two cars meet after 5.4 hours. How much are the tables and chairs for car A?
It's 48 kilometers per hour. What's the speed of the B train?
kilometre (km)
23. People's Farm Tools Factory produced 540 farm tools, with an average speed of 24 in the first eight days. The speed of the plane is 500 kilometers per hour, which is faster than the train.
Do 45 yuan a day, and finish the rest in 3 days, with an average of 60 kilometers less every 8 times. What is the speed of the train per hour?
How many pieces will heaven build? Rice?
25. The school bought 12 basketball and 15 volleyball, and bought volleyball. 26. There are two barrels of oil, and the first barrel of oil is 1.5 times that of the second barrel.
It cost more than basketball 127.5 yuan. 76.5 For each volleyball, if 4 kilograms of oil is poured from the first bucket into the second bucket, two buckets will be used.
Far, how much is each basketball? Oil is equal. How many kilograms are there in two barrels of oil?