Find the rule: 16 48 24 72 36 108 () () 81 what should be filled in brackets?
54 and 162
48 is three times 16, 24 is half 48, and so on
RELATED INFORMATIONS
- 1. New concept English book 1, lesson 12, 24, 36, 48, 60, 72, 84, 96108! If there are all the texts in the first volume, I would be very grateful. The words should have phonetic symbols If I have all the texts, I'll add more points
- 2. Find the law 1 / 2,4 / 5,9 / 13,16 / 25, (), ()
- 3. There are two rows. Each row has five blanks. The first row is 3,9,6,4,5. The second row is 6 / 18,25 / 47,17 / 31. The last two are empty. Find the rules,
- 4. 2, 3, 7, 18, 47, Come on,
- 5. How much is one fifty-six and one seventy-two
- 6. 22 ,35 ,56 ,90 ,( ) ,234 A.162 B.156 C.148 D.145
- 7. 22,35,56,90( )
- 8. Average of 24, 18, 56
- 9. 1, - 3.5, - 7.9,11, - 13 So what's the 100th number in this column?
- 10. Fill in the blanks according to the rule - 10,16, - 8,8, (), (), - 4,2
- 11. 2.4.5.10
- 12. Find out the order of the numbers in each line below and fill in the appropriate number in () (1)4----8----16-----32----() (2)243-----81-----27-----9() (3)2----5------11-----23-----47----() (4)8-----24-----12-----36-----18----() Find out the arrangement rule of the number of each line above, and fill in the appropriate number in ().
- 13. Find out the arrangement of the numbers in each line, and fill in the appropriate numbers 2, 5, 11, 23, 47 in the brackets,
- 14. Fill in the number according to the rule: 7,11,15,19,23 The nth number is ()
- 15. Find the rule: 1.3.5.11.21. (). (). 171.341
- 16. Find the rules and fill in the numbers 10,11,21,32,53, ()
- 17. What is the least common multiple of 14, 21 and 35 Come on before 8 o'clock!
- 18. The least common multiple of 14, 21 and 35 is
- 19. -5,2, - 4.5,8, - 12.5,18
- 20. Number reasoning: 1, 2, 3, 4, 8, () Number reasoning: 1, 2, 3, 4, 8, () A.12 B.16 C.22 D.32