-1, 1 / 2, - 3, 1 / 4, - 5, 1 / 6, - 7, 1 / 8, () is the 15th number? Is the 101st number? Is the 2010 number?
15=14+1,-15;
101=100+1,-101;
2010,1/2010
RELATED INFORMATIONS
- 1. (+25/4)+(+1/2)+(-6.25)+(+1/3)+(-7/9)+(-5/6)
- 2. [+ 6 and 1 / 4] + [+ 1 / 2] + [- 6.25] + [+ 1 / 3] + [- 7 / 9] + [- 5 / 6]=
- 3. 3/1*5/3+1 7/5-9/5*7/5 1-7/5*25/21 2/1+4/5*5/4 6/1 3/1*5/3+1 7/5-9/5*7/5 1-7/5*25/21 2/1+4/5*5/4 6/1*(5-3/2) 8/7*7+8/3
- 4. What is the equivalent of (+ 6 and 1 / 4) + (+ 1 / 2) + (- 6.25) + (+ 1 / 3) + (- 7 / 9) + (- 5 / 6)
- 5. 25*6.4*12.5 2/3-1/6= 3/4+1/8= 6/7+7/9-6/7+7/9
- 6. 1 and 1 / 14 + 3.9 + 3 and 2 / 7 + 5.1
- 7. The ratio of simplification is 1.35:9, two fifths: one quarter, 0.6.3:0.9, 2:one quarter
- 8. One fourth of a number is four seventh. What's two ninths of this number? 2. What's the quotient of dividing the sum of 8 5 / 9 by 10 / 27?
- 9. It is known that the cubic power of 1 = the square of 1 / 4 * 1 * 2; the cubic power of 1 + the cubic power of 2 = the square of 9 = the square of 1 / 4 * 2 * 3; The third power of 1 + the third power of 2 + the third power of 3 = 36 = the square of 1 / 4 * 3 * 4; the third power of 1 + the third power of 2 + the third power of 3 + the third power of 4 = 100 = the square of 1 / 4 * 4 * 5 (1) Please guess and fill in the blanks: the third power of 1 + the third power of 2 + the third power of 3 + +The third power of (n-1) + the third power of n= (2) Try to calculate: 1 to the third power + 2 to the third power + 3 to the third power + +The third power of 99 + the third power of 100
- 10. (13 / 4-17 / 9) × 9 / 7
- 11. Find the rule and fill in 2 / 3,1,6 / 5,4 / 3, [], 3 / 2
- 12. Find the Rule 1-2 + 3-4 + 5-6. + 5007-2008 = how much
- 13. 1 / 1, 1 / 2, 2 / 2, 1 / 3, 2 / 3, 3 / 3, 1 / 4, 2 / 4, 3 / 4, 4 / 4, 1 / 5, 2 / 5 -- - (find the law) what is the 25th number?
- 14. Find the rule 6.25 2.5 1 () () 0.64 7 Find the law 6.25 2.5 1 ()()0.64 7 3.5 1.75()()0.21875
- 15. Find the rule 6.25 2.5 1 () ()
- 16. Find the rule: 6.25 2.5 () () 0 Find the rules: 6.25 2.5 ( ) ( ) 0.16
- 17. Find the rule 1 / 4, negative 1 / 3, 7 / 16, negative 13 / 25, 7 / 12
- 18. Find a rule, 1 / 4, - 1 / 3, 7 / 16, - 13 / 25, 7 / 12
- 19. Simple operation 9 / 7 + 5 / 4-15 / 7
- 20. 1 / 15 * 4 / 3 + 5 / 6 * 4 / 15 + 4 / 9 * 2 / 15 =? Simple operation!