该我做贡献了 - two math questions!

2003-03-18 05:18:31

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
　

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