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?

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• 1. Peach tree is three fourths less than apple tree. How much is peach tree? How much is apple tree
• 2. 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
• 3. 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
• 4. 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
• 5. 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?
• 6. One is a 15 meter long and 12 meter wide rectangular sheet iron, which is divided into nine parts on average. How many square meters is each? How many parts of this sheet iron is each?
• 7. Divide a 3-meter-long and 2-meter-wide rectangular sheet iron into 9 parts on average. How many parts of the sheet iron does each share?
• 8. There is a rectangular vegetable field with an area of 5 square meters, which is divided into 6 pieces in the draw. How many parts of the total area does each piece of land occupy? How many square meters is each piece of land?
• 9. Divide the rectangle in the figure below into six parts. What's the area of a in the total area? What's the area of a in the sum of the areas of B. C? B. The sum of the areas of C is a fraction of the sum of the areas of d.e.f. (remark: there are 6 copies in total, and a.b.c.d.e.f takes one copy each
• 10. What's the proportion of ocean area to the total area of the earth? What's the proportion of land area to the total area of the earth? (what's the proportion!)
• 11. 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
• 12. 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?
• 13. How big is the playground in junior high school
• 14. 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
• 15. What is the area of gardens and famous buildings in China Please let me know if you know ha-ha Ha ha ha
• 16. 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
• 17. 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?
• 18. 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?
• 19. Can you tell me all about the area formula
• 20. All the formulas for area?