A set of data: 9 / 5, 16 / 12, 25 / 21, 36 / 32. What's the seventh number
eighty-one-seventy-sevenths
RELATED INFORMATIONS
- 1. Observe a group of fractions given, 9 out of 5, 16 out of 12, 25 out of 21, 36 out of 32,... Then the nth fraction can be expressed as
- 2. What's the law of this series of numbers?
- 3. Find the rules: 9 out of 5, 16 out of 12, 25 out of 21, 36 out of 32_____ ,...,____ (expressed by an algebraic expression containing n)
- 4. First find the rule, and then fill in the numbers 1, 4, 9, □, 25, 36, □, □
- 5. What are the numbers after 12, 21, 36, 63 and 45 Primary school mathematics
- 6. 12 21 36 63 45 what's the next number Find the law
- 7. Find the rule of vacuum, 21 * 24 = 12 * 42, 63 * 12 = 36 * 21, 12 * 84 = 21 * 48. According to these rules, we deduce and list them Which law equation is the law
- 8. What is the sum of all divisors of 126?
- 9. How many divisors are there in 126? How many of them are not divisible by 3?
- 10. How to simplify 0.75 to 3 / 4 and 24 to 1 / 3
- 11. Balmer, a Swiss middle school teacher, found the rule from the spectral data 5 / 9, 12 / 16, 21 / 25, 32 / 36. Please write the seventh number according to the rule
- 12. Balmer, a Swiss middle school teacher, found the rule from the spectral data 5 / 9, 12 / 16, 21 / 25, 32 / 36. Please write the number n according to the rule
- 13. Balmer, a Swiss middle school teacher, found the rule from spectral data 5 / 9, 12 / 16, 21 / 25, 32 / 36. Please write the seventh data ()
- 14. Balmer formula was successfully obtained from spectral data 95161225213632 by Swiss middle school teacher, which opened the door of spectral mystery. Please write the seventh data according to this rule___ .
- 15. Find the rule 15,10,13,8,11, (), (), 4
- 16. Find the Law 15 10 13 9 11 8 () () 7 6
- 17. Find the rule: (3 / 1 / 4 / 1 = 3 / 4) (9 / 5 / 8 / 5 = 9 / 8) (11 / 7 / 15 / 7 = 11 / 15) (B / A / C / a =?)
- 18. Find the law 3 ^ 2 = 4 + 5, 5 ^ 2 = 12 + 13, 7 ^ 2 = 24 + 25, find the law, and prove the method
- 19. Fill in the blanks 0,1,3,8,21, () to explain the reason for the result
- 20. Fill in the blanks 2,4,8, () () 32,