![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
The numbers in the table below are filled in according to certain rules, and the value of a in the table should be______ ． 1 2 3 5 8 13 a … 2 3 5 8 13 21 34 …
According to the meaning of the question: a = 13 + 8 = 21
RELATED INFORMATIONS
- 1. Find the law, 1,2,4,7,11, (), ()（ Find the law, 1,2,4,7,11, (), (), ()
- 2. Find the rules, and then fill in. 1,3,4,7,11,18, (), (), ()
- 3. Find the rules and fill in the blanks 1,1,2,2,4,4,7, (), ()
- 4. 35 7 1 4 () () fill in the number according to the rule
- 5. 1 / 4, 7 / 3, 7 / 13
- 6. Find the law (2) (2) (4) (8) (14) (26) (48) (88) (?) what should be the last Please send it as soon as possible, thank you
- 7. 2.2.4.2.8.14.26.48.88 There should be an explanation
- 8. Find the rule: 1.3.8.19,
- 9. 1.9.8.14.15.19
- 10. Find the rules 1, 3, 8, 19, 32__ 19 * 2 + 4 = 32, think twice before you leap.
- 11. 0, 1, 2, 4, 7, 12, 20 () how to find the rule to fill in the number?
- 12. Find the rule: 100,20, (), 0.8, (), 0.032
- 13. Fill in the blanks according to the rules: 132243,5 () 6,7 () () what number to fill in the brackets
- 14. 0 4 16 40 80 140 （）
- 15. 3.2 16 80 find the law 3.2 16 80 （ ） （ ） There should be an explanation
- 16. Look for rules 4,16,40, () why
- 17. 0,4,16,40,80,（ ）
- 18. What do you fill in: 20%, 0.4%, 80%, 15 / 3, 5 / 16, 640%, 12.8, ()?
- 19. Find the rule, fill in 1 / 2, 0.2, 2.5, 0.4, 4 1 / 2, 3 / 5, (), 80% 1 / 2 (this is half), 0.2, 2.5, 0.4, 4 1 / 2 (this is four and half), 3 / 5 (three fifths), (), 80% Please explain why
- 20. 1; 2,12,36,80,()2; 1,3,4,1,9,()3; 0,4,16,40,80,()