(数量关系)50个数字2,3,4,3,4,5,4,5,6,5,6,7,
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50个数字2,3,4,3,4,5,4,5,6,5,6,7,6,7,8,…的和是()。
单项选择题A.497B.523C.541D.568参考答案:
50个数字2,3,4,3,4,5,4,5,6,5,6,7,6,7,8,…的和是()。
单项选择题A.497B.523C.541D.568参考答案: