回复：1+1 = -3?

来源: 于 2008-09-11 12:42:47 [旧帖] [给我悄悄话] 本文已被阅读：次

they didn't graduate from the elementary school, that's why they don't know how to count. My 5 year old son's math is even better than them!

God! I just don't know what's going on. It's always waiting , waiting and waiting......