In 45, 63, 51, 84, 102, 207 and 96, the number which is a multiple of both 3 and 2 is ()

84、102、96

Which of the following numbers have a factor of 2? Which numbers have a factor of 5? 12,27,25,30,51,60,75,96186225 numbers with a factor of 2 have a factor of 5

2:12 30 60 96 16
5:25 30 60 75 225

（1+3+5+7+… +2005）-（2+4+6+8+… +2004）=______ ．

（1+3+5+7+… +2005）-（2+4+6+8+… +2004），=（1-2）+（3-4）+（5-6）+… (2003-2004) + 2005, = 1002 × (- 1) + 2005, = 1003

RELATED INFORMATIONS

1. 1. - 2, 3, - 4, 5, - 6, 7, - 8 what is the number 2004? What is the number 2005?
2. 17. The least common multiple of 51 and 3? 17. The least common multiple of 51 and 3 is "urgent" and "urgent"~
3. How easy is 51.2 * 33.5 + 512 * 6.4 + 5.12
4. The least common multiple of 7 and 9, 14 and 13, 8 and 1, 30 and 40, 13 and 26, 51 and 17
5. 4.8 ﹣ 0.12 ﹣ 4 79 × 1.25 × 0.8 32 × 5.1 + 51 × 6.8 10.1 × 69 simple calculation, which can be easily calculated, today asked for 30 points
6. 4 × 7.6-8-5.7, 198 × 0.51, 1.5 × 0.75, and those that can be calculated simply should be calculated simply Come on, wait online!
7. 51 * 101 simple calculation =（50+1）*（100+1） =50*100+50+100+1 =5000+50+100+1 =5151 Is that right? I can't understand one movie. Why should I add one to 50 * 100 + 50 + 100 + 1?
8. Find the general formula of sequence: 2, - 6,18, - 54,112
9. It is known that the equal ratio sequence an is an increasing sequence and the square of A5 = A102 (an + an + 2) = 5An + 1 to find the general term formula A5 ^ 2 = a10. Get (A1 * q ^ 4) ^ 2 = A1 * q ^ 9 get A1 = Q 2 {an + a (n + 2)} = 5An + 1 leads to 2 (1 + Q ^ 2) = 5q leads to q = 1 / 2 or 2 So A1 = q = 2 an=2^n 2 {an + a (n + 2)} = 5An + 1 how to get 2 (1 + Q ^ 2) = 5q
10. Fill in 5,5,10,30120, (), (), 25200 according to the rule
11. Write the numbers according to the rules: positive two thirds, negative three quarters, negative five sixths, (), ()
12. Xiao Hong, Xiao Hong's mother, Xiao Ming and Xiao Ming's mother played together in the park. They bought four tickets, which cost 11 yuan in total. The adult ticket is 4 yuan each, and how much is the child ticket? (solved by equation)
13. On Sudoku There are 1-9 in every row, column and 3 × 3 small square 000100029 005000004 068000000 000700500 020060080 003009000 000050160 four hundred million and thirty thousand seven hundred million and two thousand
14. Sudoku four Palace
15. 2 1 () 0.25 0.125 () 0.03125 fill in the blanks
16. Series series questions If S12 / 4 = S9 / 3 + 2 is known as the arithmetic sequence, the tolerance of the sequence is
17. The method of sequence representation has never come
18. Sequence reasoning, 22,36,40,56,68 ( )
19. Sequence 0, 0, 1, 5, 23 The answer is a119 b79 C63 D 47 Explain the process!
20. Second grade mathematics 108 page 9 Question 9 ah, please quickly give the answer, a good supplementary score