10 + (5-2)*2 = 16

来源: winddancer 于 2017-11-26 17:54:04 [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.

Change Ad Consent