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1.趣算数字自然数从1开始按如图所示的规律往下排,请你算一算第2007转弯处的数字是几.2.巧求值设的值.
1. Interestingly, the number of natural numbers starts from 1 and follows the pattern as shown in the figure. Please count the number at the 2007 turning point. 2. Calculate the value of the value set.