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Nine matches make up three triangles, the top two and the bottom one. How can you change two into four triangles?
There are many kinds of moving methods, such as the one on the second floor. The original figure has rotation symmetry, which determines that moving the outer side of any triangle + any other side can form the target figure
It is easy to get the result by drawing and modeling
How to make a five square figure originally made up of 15 matches, take off three matches and turn it into a square figure
How to make a five square figure composed of 15 matches (there are two figures beside three squares), take off three matches and make it into three squares
Pay attention to remove three matches instead of moving them!
Suppose five squares are
1 2 3
..4 5
The position of the five squares is as above
Take the top one off number two
Take off the right and the bottom of number five
Just three squares
That's all
Answer has been modified!
Use 11 matchsticks to make a small house. Please move 4 matchsticks to make 15 squares
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Every thread is the same length
Here is the picture
With 11 matches set out a house, please move only one match, so that the small house to a different direction?
Please give me a picture, otherwise I don't know how to do it
Use 10 matchsticks to make a small house. Can you move only two matches to change the direction of the house?
Move two to the position shown in purple
Eight matches are placed in a square, and the number of moving matches is not changed. The figure is half of the original area. How to move?
Make a square with 8 matchsticks (as shown in the figure). Can you move the matchsticks (without reducing the total number of matchsticks) so that the area of the new figure is half the area of the square?
(the answer is not unique) as shown in the figure:
How to move a square of eight matchsticks to reduce its area by half
How to move a square of eight matchsticks to reduce its area by half
Move eight matchsticks to form a small square with two overlapped matchsticks. Reduce the area by half
Each stick is 4cm long and is surrounded by 16 sticks to form 5 squares (as shown in the figure). Now only 4 sticks can be moved to make two squares with 32cm circumference appear in the moving figure. Please draw more than two moving figures
According to the stem analysis, it can be concluded that: 1
Each stick is 4cm long and is surrounded by 16 sticks to form 5 squares (as shown in the figure). Now only 4 sticks can be moved to make two squares with 32cm circumference appear in the moving figure. Please draw more than two moving figures
According to the stem analysis, it can be concluded that: 1
RELATED INFORMATIONS
- 1. Use 12 matches to make a figure with an area of 3 Let the length of the match be 1. This is a primary school information technology examination question. There are two little moles on a piece of grass. Put the two little moles in a passage with a graph. You can only draw a square or a rectangle. You don't need a line segment in the middle of the graph. 12 matches can't be left
- 2. How many equilateral triangles can six matches make
- 3. With 9 matches, how to put them in order to make 6 squares?
- 4. How to make 5 triangles of the same size with 9 matches
- 5. Use six matches to form four triangles of the same size. The name of the figure is______ ．
- 6. Use eight matchsticks to make a small fish. Move three matchsticks to make the fish swim in the opposite direction. How to move
- 7. With six matches placed into a fish, how to move two of the matches, let people see that the fish was eaten by the kitten Represented by graph
- 8. How to make 4 triangles with 7 matchsticks?
- 9. Use the matchstick to make the figure as follows: No.1: 4 NO.2: 12 NO.3: 24 NO.4: 40 No.5: 60 no.n: help
- 10. Eight matches can be used to make a rectangle or a square. Can eight matches be used to make a geometric figure with a larger area than the two figures?
- 11. The figure below is made up of 15 matchsticks. Please move two matchsticks to make them five same squares
- 12. Twelve matchsticks are placed into four small squares. After moving three matchsticks, they become three small squares. How to move them
- 13. Given Tana = 1, then the value of (2sina COSA) / (2sina + COSA)
- 14. Given Tana = 3, the value of sin square a + sin square 2a is?
- 15. Find the logarithm of the monotone increasing interval (1) y = log with 1 / 2 as the base cos2x of the following function
- 16. What is the minimum positive period of the function y = sinxcosx?
- 17. It is known that the general term formula of the first n terms of the arithmetic sequence {an} is Sn, and a1 + a3 = 10, S4 = 24 (1) to find the general term formula of the sequence {an}
- 18. If the arithmetic sequence {an} satisfies A2 + S3 = 4, A3 + S5 = 12, then the value of A4 + S7 is______ ．
- 19. If the sum of the first n terms of the arithmetic sequence {an} is Sn and 6s5-5s3 = 5, then A4=______ ．
- 20. Let the sum of the first n terms of the arithmetic sequence {an} be Sn, where A6 = 13 and S10 = 20 Finding the general term formula of sequence {an} If the sequence {BN} satisfies BN = 2 / an * an + 1 (n ∈ n *), find the first n terms and TN of the sequence {BN}