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
Niches theorem
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- 1. 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?
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- 7. 4.2 to 1 is a quarter to eight to five
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- 11. 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?
- 12. The second power of 3 - the second power of 1 = 8 = 8X1, the square of 5 - the square of 3 = 16 = 8x2?
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- 14. 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)______ .
- 15. As shown in Figure 1, ab ∥ CD, try to guess the relationship between ∠ bed and ∠ B, ∠ D? Please explain the reason
- 16. Calculate the square division of - 1 by 1 / 9 times (- 2)
- 17. How to easily calculate the square of 1.2222 multiplied by 9-1.3333 multiplied by 4?
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- 19. Observe the equations in the following order: 9 × 0 + 3 = 3, 9 × 1 + 4 = 13 Guess: the nth equation (n is a positive integer) should be expressed as?
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