Calculate the following formula 1-3 + 5-7 + 9-11 +2007-2008
Programming or ordinary calculation? Ordinary calculation is - 2 * 1004 = - 2008
RELATED INFORMATIONS
- 1. Calculation (2 × 5 + 2) (4 × 7 + 2) (2004×2007+2)/(1×4+2)(3×6+2)…… (2005×2008+2)
- 2. Simplify the evaluation of negative half A-2 (a minus half B to the second power) - (minus three-thirds a minus one-third B to the second power) a = - 1, B = one-third B = two-thirds, not one-third. sent the wrong message. Hee hee hurry up
- 3. The sixth power of 4A × the sixth power of B-the sixth power of 8A × the sixth power of B
- 4. Use the rounding method to approximate the following numbers 003 56 (accurate to 0.0001) 566.123 5 (accurate to individual) 3.896 3 (accurate to 0.01) 0.057 1 (accurate to thousandth)
- 5. I would like to ask the next approximation and accurate number how they round to what place Take the approximate number, generally use the method of rounding, rounding to which place, say the approximate number is accurate Make sure who you are
- 6. Round off each of the following approximate numbers ① 6328 (accurate to 0.01) ② 372300 (accurate to thousands) ③ 003499 (two significant digits reserved)
- 7. 11377 use the rounding method to keep the approximate value of two significant numbers There is also a question: use scientific counting method to express 89900000, and keep two significant numbers
- 8. Take the approximate value of 10304 (accurate to hundreds) according to the requirements of rounding method
- 9. Using the rounding method, the accuracy is 0.01, and the approximate value of 5.649 is 0.01______ .
- 10. There is a formula, the box on the left is all integers, and the answer on the right is only the approximate value of rounding: a few thirds + a few fifths + a few sevens ≈ 1.16
- 11. 1 * 3 / 1 + 3 * 5 / 1 + 5 * 7 / 1 + 7 * 9 / 1 +... + 2003 * 2005 / 1?
- 12. What's the rule of 3 6 9 14 21? What's the next number
- 13. Number 2, 7, 15, 26, 40. (n) what is the law, find out the algebraic formula
- 14. The numbers corresponding to points 3, 4, 5, 6 and 7 are 3, 6, 10, 15 and 21 respectively?
- 15. (1)2x^2+3x(2)3x^2+4x=3(3)2x^2-5x+3=0(4)4x^2+25=20x
- 16. What is the square of 1 + 2 + 2 + 3 power of 2 + 4 power of 2 until 2009 power of 2?
- 17. The area of a rectangle is 9 / 10 square meters, and its length is 3 meters. What's its width
- 18. The area of a rectangle is 9 / 10 square meters. Its width is 3 / 5 meters. How many meters is its length?
- 19. Cube of (- 2) - 3 * [(square of - 4) + 2] - square of (- 3) divided by (- 9)
- 20. X + X to the negative first power = 4 find the square of X + X to the negative second power