Find the rule and fill in the number 2.4.7.12.19.30.43.60.79. ()

2.4.7.12.19.30.43.60.79.102.131.162……
Law: prime number

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1. 2, 4, 7, 12, 19, 30, 43, 60, (), ()
2. Find the law. 2,4,7,12,19,30,43,60,79 the last two are how many to ask the answer must be adopted
3. Find the rule and fill in 1,2,2,4,3,8,4,16,5, (), ()
4. 1.3.2.6.4. (). (). 24.16 find the law
5. 55,22,8.8,3.52 () the law of numbers in brackets?
6. 52+66-22+55-566+100=?
7. There is an electronic clock, which lights up every 9 minutes, rings at 12 o'clock, and lights up at 12 o'clock. When is the next time?
8. Fill in the blanks 1, 22, 2, 44, 3, 55, (), () Why?
9. What should I fill in after 1 22 2 44 3 55
10. Fill in 1.1, 1, 2, 3, 5, 8, (), 21, 34, 55, 2.190, 94, 46, 22, (), ()
11. 25 / 10,40 / 25, () / 1,21 / (), 85 / 70
12. Find the rule and fill in the appropriate number in the brackets. (1) 3, 6, 9, 12 (15) (18) (2) 1 Find the rule and fill in the appropriate number in the brackets （1）3 6 9 12 （15）（18）（2）1 2 4 7 （） 16
13. 0, 3, 8, 15, 24. What is the number 2008?
14. The law between 0, - 3,8, - 15,24? The 100th number after?
15. Mathematics problem of the first day of junior high school: look at the law of 0, 3, 8, 15, 24, 35, ---- this group of numbers, what is the 100th? What is the nth?
16. Observe the law of the following numbers 0,3,8,15,24... Then the hundredth number is?
17. Observe the law of the following series of numbers: 0,3,8,15,24. The number 2008 is -- the number n is-
18. Observe the rule of a group of numbers 0, 3, 8, 15, 24. The number 2009 is? The number n is? Its term is?
19. A.1000,970,200,180,40,30,( ),( ) B.0,1,3,8,21,55,( ),( ) C.1,2,5,13,34,89,( ),( )
20. 10 23 18 6 3 6 8 9 11 10 6 20 7 9 X 18 7 7 15 26 Cross a group, ask x should fill in what? What's the rule? --10 3-6-8 --7 --23 9-11-10 --7 --18 6-20-7 --15 --6 9-X-18 --26