未知题型

A.shangxuebA.cn/images/ct_ggxm_ggxmaths_00246(200910).jpg'>的值为(
B.shangxuebA.cn/images/ct_ggxm_ggxmaths_00246(200910)1.jpg'>
A.
【参考答案】

A
解析:原式=(1+2+3+…+8)+。因此,本题正确答案为A。

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