Divide a 4-meter rope into 5 equal parts, each of which is long______ Each piece is full length (& nbsp; & nbsp; & nbsp;) (& nbsp; & nbsp;)

4 △ 5 = 45 (m); divide the whole length into 5 parts, each of which is 15% of the total length

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1. Divide the 2-meter-long rope into 5 sections. How many parts of the total length is each section? How many meters is each section?
2. Divide a 3 / 4 meter rope into 5 parts. How many meters is each part and how many parts of the total length is each part?
3. On the plan with a scale of 1; 100, it is measured that Xiaolan's bedroom is 4cm long and 3cm wide; what is the actual distance between Xiaolan's bedroom Who knows
4. Master Zhao measured a rectangular teacher's room on a 1:500 scale plan. It is 4cm long and 2cm wide 1: Find the area on the map and the actual area of this classroom 2: write the ratio of the area on the map and the actual area, and compare it with the scale. What do you find?
5. Move the square with an area of 64 square centimeters on the plan with a scale of 1:250 to the plan with a scale of 100 square centimeters?
6. Xiaoming's father drew a 1:200 scale plan for a site and asked Xiaoming, "do you know how many times the actual area of the site is the size of the plan
7. Draw a rectangular piece of land on the plan with a scale of 1:200. The circumference of the rectangle on the plan is 54 cm, Draw a rectangular piece of land on the plan with a scale of 1:200. The perimeter of the rectangle is 54 cm and the ratio of length to width is 5:4. Calculate the actual area of the rectangular land
8. As shown in the figure, the area of triangle ABC is 120 square centimeters, D is the midpoint of BC & nbsp;, AE = 13be, EF = 12fd, then the area of triangle AFD is______ Square centimeter
9. The square defg is the inscribed square of △ ABC, D is on ab. G is on AC, e and F are on BC, am ⊥ BC is on M, intersecting DG is on H. if ah is 4 and the side length of the square is 6, the length of BC is calculated
10. The side length of equilateral △ ABC is a, and the area of inscribed square defg of its inscribed circle is obtained
11. Divide the 5-meter-long rope into 4 sections. What is the length of each section? What is the length of each section?
12. Xiao Ming is 1.6 meters tall. In the photo, he is only 4 cm tall. The scale of this photo is very small______ ．
13. Xiao Ming is 5cm tall in the photo. His actual height is 2m. What's the scale of this photo
14. Yao Ming's height in the photo is 5cm, and his actual height is 2.29M. What's the scale of this photo______ ．
15. Xiao Wang is 1.6 meters tall. In the photo, her height is 5 cm. What's the scale of this photo
16. Xiaohua is 1.63 meters tall. In the photo, her height is 6 cm. The scale of this photo is () What's the answer: it seems that it can't be eliminated completely?
17. 1. Xiaohua, who is 1.6m tall, is 5cm in height in the photo. The scale of this photo is () 2. Mr. Yuan has a 40 decimeter iron wire, which can be enclosed into a rectangle with a length of 12.6 decimeters and a width of () decimeters. This iron wire can also be enclosed into two squares with a side length of () decimeters
18. A drawing of a building with a scale of 1:100 shows that its length is 80cm, and the known ratio of length to width is 4:1. What is the actual floor area of the building
19. A drawing of a building with a scale of 1:100 shows that its length is 60cm and the ratio of length to width is 4:1. What is the actual floor area of the building?
20. A building with a scale of 1:100 is 60 cm in length and 4:1 in width. What is the actual building area of this building What's the formula