(数量关系)50个数1,2,3,2,3,4,3,4,5,4,5,6,5
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50个数1,2,3,2,3,4,3,4,5,4,5,6,5,6,7,6,7,8,…的和是()
单项选择题A.568B.497C.523D.491参考答案:
50个数1,2,3,2,3,4,3,4,5,4,5,6,5,6,7,6,7,8,…的和是()
单项选择题A.568B.497C.523D.491参考答案: