该我做贡献了-two math questions!

maryland

该我做贡献了-two math questions![转自我看机警栏目]
http://www.topway.org/jijing/readnews.asp?id=1997

诚谢各位G友相助，现有两道数学奉上：

1. AB + BA = AAC, A B C are single digits. what is C? Answer: C=0

2. DS. what is N?
(1) N 被 7 除余 3。
(2) N 被 4 除余 2。
Answer E

[此贴子已经被作者于2003-3-18 20:51:48编辑过]