我仔细看了一下，是Prealgebra Solutions Manual by Richard Rusczyk　Sold by:

来源: 柚子于 2015-08-31 11:11:34 [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