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1.3.7.13. (), 31. (), 1.3.4.7.11.18. (), ()
1.3.7.13.（21）,31.
1+2=3
3+4=7
7+6=13
13+8=21
21 + 10 = 31 (this step is used to verify the correctness of the law)
1.3.4.7.11.18.（29）,（47）
1+3=4
3+4=7
4+7=11
7+11=18
11+18=29
18+29=47
How to fill in the number according to the rule. 1,2,4,7 () ()
The rule that the difference between 11 16 adjacent numbers is 12345
RELATED INFORMATIONS
- 1. Fill in 4 / 7, 2 / 7 and 1 / 7 according to the rule
- 2. Find the rule (1) 2 10 11 19 21 29 32 40 44 () () (2) 1 8 27 64 125 () ()
- 3. Find the rule 8,6,4,2,0, - 2
- 4. According to calculation, the thickness of 10000 sheets of paper is about 1m. Students, can you calculate the thickness of 1000 sheets of paper, 100 sheets of paper and 10 sheets of paper according to the thickness of 10000 sheets of paper? Measure it and see if your judgment is correct
- 5. The thickness of 100 sheets of paper is about 1cm, () sheets of paper is about the last meter. Then the thickness of 100 million sheets of paper is about () meters Now I'll take it! OK, 12 extra points
- 6. 2+（-4）+6+（-8）+10+（-12）+...+994+（-996）+998+（-1000）=?
- 7. 1+2+3+4+5+67+8+9+10+11…… +How much is 1000?
- 8. How about 1 / 2 plus 1 / 3 in primary school? How much should it equal? 1 / 8 + 1 / 7 =?
- 9. A person deposited 1000 yuan in the bank on January 1, 1999, with an annual interest rate of 10%. It is required to calculate: (1) compound interest once a year. The balance of the deposit account on January 1, 2002 is What is the balance of the deposit account on January 1, 2002 If 1000 yuan is deposited into 250 yuan at the beginning of 1999-2001, the interest rate is 10%, and the balance at the beginning of 2002 is calculated by compounding interest every year Suppose you deposit the same amount in four years. How much should you deposit in each period in order to reach the balance of the first question
- 10. 1. Suppose you have a deposit of 100000 yuan in the bank for five years with an annual interest rate of 7.2% and compound interest once a year. How much money do you have in your account after five years? 2. Suppose you open a savings account in the bank, with a monthly deposit of 500 yuan, a deposit period of 5 years, and a monthly interest rate of 5.25 ‰. How much money do you have in your account after 5 years? 3. Suppose you buy a house in, get 200000 yuan mortgage from the bank, the repayment period is 20 years, the annual interest rate is 8.4%, then how much is your monthly payment?
- 11. Find the rules: 1, 2, 4, 7, 11 Find the number I know what the 2nd floor said
- 12. 0, 1, 2, 4, 7, 12, 20, () to find the law
- 13. Sequence 0,4,16,40,80 (), 0,1/3,1/2,3/5,2/3,5/7() 63,26,7,0,-2,-9() 2,9,28,65() 8,8,6,2()
- 14. Find the rule: 4, (), 16, (), (), 49, ()
- 15. 0 4 16 40 80 of logical reasoning RT
- 16. Sort by rule 6, 13, 27, 49, what, 121, what
- 17. 40 is one third more than 30 and 30 is one fourth less than 40 40 is one third more than 30 and 30 is one fourth less than 40 2. If the number of a is one third more than that of B, the number of B is one third less than that of A The quotient of two fifths divided by a true fraction is greater than two fifths 4. If a: B equals 5:4, then a equals 4, B equals 5 () 5. Pine is one fifth more than cypress, so cypress is one sixth less than pine
- 18. The sum of half of a number and 4 / 15 of 60 is 40. What's the number?
- 19. Find the rule of 9,1,4,3,40 and fill in the next number If the answer is 121, what is the law
- 20. Explore the law: the first is 1, the second is 4, the third is 13, the fourth is 40, the fifth is 121, find the nth