1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 ..
1.图中23,25,27,39,41,43,55,57,59与中间的数有什么关系?
2.在数阵图中与1中有类似的,还有什么?
3.这9个数字之和等于1998,2005,1017吗?
人气:331 ℃ 时间:2019-08-20 06:48:15
解答
都是单数
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