What is the area of gardens and famous buildings in China Please let me know if you know ha-ha Ha ha ha

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1. A playground runway is a rectangle in the middle, 110 meters long and 50 meters wide. There are six runways, 1.2 meters each. How to find the area
2. How big is the playground in junior high school
3. Don't tell me the subject is not clear In a mountainous area, there are 25 kinds of peach trees, 27 kinds of pear trees and the rest kinds of apple trees. What is the proportion of apple trees in the total area? If the area of each fruit tree is equal, how much less peach trees should be planted?
4. 3 / 4 of an orchard is used to plant fruit trees, among which apple trees account for 1 / 5 of the total area, pear trees account for 1 / 6 of the total area, the rest are peach trees, and peach trees account for a few percent Please answer as soon as possible
5. Two fifths of an orchard are pear trees, two fifths are peach trees, and the rest are apple trees? If the planting area of each fruit tree is equal, what percentage of the total area of pear trees should be reduced?
6. Peach tree is three fourths less than apple tree. How much is peach tree? How much is apple tree
7. The number of apple trees is one fourth less than that of peach trees, and the number of apple trees is a fraction of that of peach trees
8. Divide a 3-meter-long and 2-meter-wide rectangular sheet iron into 9 parts on average. What is the area of each part? What is the proportion of each part of the sheet iron? Please write down the whole process of the answer
9. Divide a 3-meter-long and 2-meter-wide rectangular sheet iron into 9 parts on average. How many square meters is the area of each part? How many parts of this sheet iron is each part
10. Divide a 4-meter-long and 2-meter-wide rectangular sheet iron into 10 parts. How many square meters is the area of each sheet iron? How many parts of this sheet iron is each sheet iron?
11. The teaching building covers an area of 660 square meters, about 3 / 40 of the total area of the campus. What is the total area of the campus
12. Do you know how to calculate the floor area by floor area ratio? Please provide a formula! Plot ratio = building area △ floor area Building area = floor area × plot ratio Is this company right?
13. Calculation formula of underground building area There is a project in Longling County, Yunnan Province. The known land area is 8 mu, the building density is 40%, the aboveground building area is 6400m2, the plot ratio is 1.2, and the green space rate is 35%. It is a multi-storey 3F. How to calculate the underground building area in the investment estimation?
14. Can you tell me all about the area formula
15. All the formulas for area?
16. The area of artificial leveling site is calculated by adding 2m to each side of the outer wall sideline The area of artificial leveling site is calculated by adding 2m to each side of the outer wall sideline. How can the formula s = s bottom + 2 × l outside + 16 be calculated? There is also excavation and sloping foundation pit How can the formula v = (a + 2C + KH) * (B + 2C + KH) * H + 1 / 3K * k * h * h * H be calculated A: Length of foundation cushion B: Width of foundation cushion C: Working face width K: Grading factor H: Earth excavation depth
17. How much is the building area multiplied by the actual area of the external wall
18. How to calculate the external wall area of the building?
19. How to calculate the area of building exterior wall Given the building area, how to calculate the external wall area and the internal wall area
20. Do you calculate the building area of exterior wall steps and corridors?