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A column of numbers 1, - 2, 3 -, 4, 5, - 6. Find the number 2009, what is the number 2010
2009,－2010
Odd is positive and even is negative
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- 1. There is a column of numbers: 1,2,3,2,1,2,3,4,3,2,3,4,5,4,3,4,5,6,5,4, what is the number 2006
- 2. There is a column of numbers: 1,3,4,7,11,18... To find the number 2006 divided by 6
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