计算机基础1:BDAAB,BBBBC,判断:BABBB,ABBAB,ABBAB,多选:ABCD,BD,ACD,ABCD,BC
测试2:BCCBA,ABCAD判断:AABBB,AABBA,ABAAB,AB,ABD,ABCD,ABCD,CD
测试3;AAABC,AABBB,BBBAA,BBBAB,BABAB,BCD,ABCD,ABCD,AB,BCD
1BBBAC BDE BC BD ABCDE BE AABBBAAABB
2BAAAB ABCDE ABD AC ABD AC ABBBAABBBB
3DBADB BCD ABC AB ADE ABC AABABBBAAB