2c3a6d7a8a11a14b16a19b
2c3a6d7a8a11a14b16a19b
4c5d8c10a11a12a13c16a20a
2d5a7a16a17a19a
1A2B3C5B8B9A13B17A18A19A
1-5:BBDBC
6-10:BBABA
11-15:BBADB
16-20:ABAAC
20-25:BCDBC
26-30:BADAA
判断题:
31-35:×√×√√
36-40:×√×××
41-45:×√√×√
46-50:√√×√×
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