25 / 10,40 / 25, () / 1,21 / (), 85 / 70
25 / 10, 40 / 25, (16) / 1, 21 / (6), 85 / 70, the former is 15 times more than the latter
RELATED INFORMATIONS
- 1. Find the rule and fill in the number 2.4.7.12.19.30.43.60.79. ()
- 2. 2, 4, 7, 12, 19, 30, 43, 60, (), ()
- 3. 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
- 4. Find the rule and fill in 1,2,2,4,3,8,4,16,5, (), ()
- 5. 1.3.2.6.4. (). (). 24.16 find the law
- 6. 55,22,8.8,3.52 () the law of numbers in brackets?
- 7. 52+66-22+55-566+100=?
- 8. 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?
- 9. Fill in the blanks 1, 22, 2, 44, 3, 55, (), () Why?
- 10. What should I fill in after 1 22 2 44 3 55
- 11. 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
- 12. 0, 3, 8, 15, 24. What is the number 2008?
- 13. The law between 0, - 3,8, - 15,24? The 100th number after?
- 14. 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?
- 15. Observe the law of the following numbers 0,3,8,15,24... Then the hundredth number is?
- 16. Observe the law of the following series of numbers: 0,3,8,15,24. The number 2008 is -- the number n is-
- 17. Observe the rule of a group of numbers 0, 3, 8, 15, 24. The number 2009 is? The number n is? Its term is?
- 18. A.1000,970,200,180,40,30,( ),( ) B.0,1,3,8,21,55,( ),( ) C.1,2,5,13,34,89,( ),( )
- 19. 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
- 20. 2 5 6 7 11 8 10 ( ) 4 18 6 10 12 9 20 2 6 7 11 4 4 4( ) 1 4 3 5 5 6 4 2 6 7 11 4 4 4( ) 1 4 3 5 5 6 4 7 4 6 8 4 8 6 5( ) Problem solving method