看到数学不断在增加，差距在一点点减少，感动。希望能在22日前达到目标。

来源: alwaysluck 于 2018-12-17 20:21:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.