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According to the rule you found, the result of calculating 1 + 8 + 16 + 24 +. + 8N (n is a positive integer) is (expressed in an algebraic expression containing n)
4n^2+4n+1
The one upstairs is one less
RELATED INFORMATIONS
- 1. As shown in the figure, observe the figure and its corresponding formula, and calculate 1 + 8 + 16 + 24 + according to the rule you found +The result of 8N (n is a positive integer) is______ ．
- 2. Observe the following figures and their corresponding formulas, and calculate 1 + 8 + 16 + 24 + according to the rule you found +The result of 8N (n is a positive integer) is () A. （2n+1）2B. （2n-1）2C. （n+2）2D. n2
- 3. Find the rule 0,1,3,12, Urgent! Process!
- 4. Fill in the following numbers: 1,1,2,3,5,8,13, (), 34,55
- 5. Regular filling: 3 / 20, 5 / 34, 8 / 55, 12 / 83 Fill in: 3 / 20, 5 / 34, 8 / 55, 12 / 83, (/) I hope the answer is not 118 / 17 I can see that the price of each item is 0.15
- 6. 20/3,34/5,55/8,83/12,. What should be behind it
- 7. A column of fractions: 3 out of 20, 5 out of 34, 8 out of 55, 12 out of 83. What's the next, the nth
- 8. 20.24.55.83.[ ]
- 9. 3 5 8 12 () 20 24 55 83 () fill in the blanks according to the rules
- 10. 24 of 33 + 19 of 66
- 11. As shown in the figure, observe the figure and its corresponding formula, and calculate 1 + 8 + 16 + 24 + according to the rule you found +The result of 8N (n is a positive integer) is______ ．
- 12. 1 + 8 = 3, 1 + 8 + 16 + 5, 1 + 8 + 16 + 24 = 7, 1 + 8 + 16 + 24 + ··········· + 8N (n is a positive integer)
- 13. Observe the following figures and their corresponding formulas. According to the rule you found, use n to represent 1 + 8 + 16 + 24 + +8N (n is a positive integer)______ ．
- 14. What is the result of 1 + 8 + 16 + 24 +. + 8N (n is a positive integer)?
- 15. Observe the following figures and their corresponding formulas. According to the rule you found, use n to represent 1 + 8 + 16 + 24 + +8N (n is a positive integer)______ ．
- 16. Find the law of Mathematics (2,3), (10,6), (20,11), (9,)
- 17. Find the rule: 2, - 4.6, - 8.10, 12.14, - 16, what are the 99th and 100th numbers? Explain why
- 18. Find the rule 1,4,16,36,64100, ()
- 19. The rules of 100, 81, 49, 36, (), 16, () are as follows
- 20. 1. Fill in the blanks according to the rules, （2）1,8,27,（）125,（） 2 (1) find the unknown X 5 / 3 x + 1 / 10 x = 7 / 5 5x-2.1 small X4 = 9.6 (4-1.6)x=36 2X divided by 5 = 15