One two fourths equals four four eighths equals six sixths, right? Please correct? How do you understand this? Please explain the basic principle and its formula?

RELATED INFORMATIONS

• 1. 4.2 to 1 is a quarter to eight to five
• 2. 2 / 3 × [3 / 2 × (quarter x) - 4 / 2] - 2 = what is x equal to,
• 3. What is the square of 12 + a?
• 4. How many meters is 12 square meters? Such as the title
• 5. How many meters is 12 square meters
• 6. What's the square of 12
• 7. Given the square of a + the square of B = 25, ab = 12, find a + B
• 8. 12 square decimeters equals () square meters
• 9. 9-1 = 8 × 1,25-9 = 8 × 2,49-25 = 8 × 3,81-49 = 8 × 4 ·· these equations reflect the law of natural numbers. Let n denote the equation of natural numbers with n
• 10. Observe the following equations: 9-1 = 8, 16-4 = 12, 25-9 = 16, 36-16 = 20 Let n be a positive integer. The following equation is () A. （n+2）2-n2=4（n+1）B. （n+1）2-（n-1）2=4nC. （n+2）2-n2=4n+1D. （n+2）2-n2=2（n+1）
• 11. 2 / 1: x = 4 / 1:10 / 1 is 2:1: x = 4:1:10:1 how to calculate? How much is it equal to?
• 12. Is the inverse theorem that the central line on the hypotenuse of a right triangle is equal to half of the hypotenuse true? How do you prove it,
• 13. 1: Write "equal to vertex angle" as "if. Then." form 2: is there an inverse theorem for theorem "equal to vertex angle"? No counterexample is given
• 14. Take a counter example to show that "the median line of a triangle is equal to half of its three sides" has no inverse theorem Have a picture. I'll wait! It's best in 10 minutes. Maybe you can give me some ideas
• 15. I want to write a program, the program to randomly allocate five numbers, the five numbers must add up to 100. What is the calculation principle?
• 16. What is the theorem / conjecture that the cube of any natural number a is equal to the sum of a continuous odd numbers? I want to know its name Has any textbook mentioned this theorem If yes, please tell me the publishing house, grade and page number
• 17. What does it mean that my parents' birthdays add up to my birthday? Mom 0815 + dad 0216 = me 1031 What's the point of coincidence?
• 18. The second power of 3 - the second power of 1 = 8 = 8X1, the square of 5 - the square of 3 = 16 = 8x2?
• 19. Observe the following set of equations 1 + 3 = 2, square 1 + 3 + 5 = 3, square 1 + 3 + 5 + 7 = 4, according to this rule - 1-3-5-7. [2N-1] where n is positive Calculate the result
• 20. As shown in the figure, given ab ∥ CD, guess what is the relationship between ∠ B, ∠ bed, ∠ D in Figure 1, figure 2 and figure 3? Please show their relationship by equation and prove one of them. (1)______ ；（2）______ ；（3）______ ．