题目信息
Set A is composed of nine numbers, labeled A1 through A9. Set B is also composed of nine numbers, labeled B1 through B9. Set B is defined as follows: B1 = 1 + A1; B2 = 2 + A2; and so on, including B9 = 9 + A9. How much larger is the sum of set B's elements than the sum of set A's elements?
A:9
B:18
C:27
D:45
E:90
参考答案及共享解析
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正确答案：
D:45
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