By observing the law of 1, 2, 3, 6, 12, 23, 44, x, 164, we can see that X=______ ．

Starting from the fifth number, 12 = 1 + 2 + 3 + 6, 23 = 2 + 3 + 6 + 12, 44 = 3 + 6 + 12 + 23, similarly, x = 6 + 12 + 23 + 44 = 85; the last number is 164 = 12 + 23 + 44 + x = 12 + 23 + 44 + 85, so fill in: 85

RELATED INFORMATIONS

1. Interesting paradise of Mathematics Q: it costs 66 yuan for mom to buy 2kg meat and 3000 fish, and 102 yuan for Dad to buy 4kg meat and 3kg fish. Please calculate the meat. How much is each kilogram of fish?
2. Pour water into an empty bottle with one cup. If you pour three cups of water, the weight of the bottle is 440G. If you pour four cups of water, the weight of the bottle is 500g. How much does a glass of water and an empty bottle weigh?
3. Sharing cattle by borrowing cattle Grandfather Chen had 17 cows. He wanted to give them to his three sons, so he said to them, "there are only 17 cows in group fights. Your three brothers divide them according to my method. The eldest brother gets 1 / 2, the second brother gets 1 / 3, and the third brother gets 1 / 9." Who can think of a way for them to share the cattle? Hope to use mathematical solution. It's better to write in detail
4. 1 fun park good times 3 = fun park good 1, what number does fun park stand for
5. Page 42 PEP Edition A barrel of oil weighs 58kg and is used up in three days. One third of the oil is used in the first day, the remaining two-thirds is used in the second day, and the oil used in the third day is 6kg less than three seventh of Zhonghe used in the previous two days!
6. Fill in the blanks according to the rule: 1,2,6,16,44, (), 328
7. Find the law 1 2 6 16 44 () 328
8. What are the rules of the number arrangement of 0 1 2 6 16 44 120?
9. Arrange - 3, - 1, 1, 3, 5, 7, 9... According to the rule, then the nth number is? (n is an integer)
10. The integers smaller than - 1 are arranged as follows: (in the above numbers, observe their rules and answer which column will the number - 100 be in?) First column second column third column fourth column fifth column -2 -3 -4 -5 -9 -8 -7 -6 -10 -11 -12 -13 -17 -16 -15 -14 …… …… …… Cause cause cause cause cause cause cause cause Cause cause cause cause cause cause cause cause -8 in the second column, - 6 in the fourth column, only - 9 - 17 in the first column, only - 13 and - 15 in the fifth column, and so on
11. Find the law 1 2 6 12 23 44 () 164
12. Who knows the law of this series: 1, 2, 3, 6, 12, 23, 44 1. 2, 3, 6, 12, 23, 44, x, 164 what is the law?
13. Finding rules in mathematics 2,5,10,17, (), 37 Not only the answer, but also the explanation
14. 5, 10, 17, 26, 37. What's the process of finding rules?
15. 7. 8, 10, (), 22, 38
16. -2. - 8, - 18, - 32, - 50, find the rules Please be more specific, Please be more specific. What's the 20th number, how to list the formula, and what are the symbols of *, ^
17. Find the rules and fill in the numbers 4,7,13,22,34, (), ()
18. Negative 1.5.22.57 () find the rule and fill in the next number nothing
19. Find the rule: 1,1,1.5,3, (), 22.5
20. Help me to look at this problem, find the rule 1.6.7.12.13