2个回答
1-5 ABCCA 2-10 BAABB 11-15 BCBAC 16-20 ABBCC 21-25 BCDBA 26-30 BCCAB 31-35 BACCD 36-40 ADBCD 41-45 CACBD 46-50 BCDBA 51-55DCBAC 56-60DABCD 61-65CBACB 66-70ADBAC 71-75 ADCDB
说