C、D、A、B不知道可对#ÎT}¤bbs.3c3t.comÐA9èaÇø
C(2500/100+500/50=35 加可能的加密=35+1)#ÎT}¤bbs.3c3t.comÐA9èaÇø
D(3000/100=30 加可能的加密=30+1)#ÎT}¤bbs.3c3t.comÐA9èaÇø
A(用折线法调整直线段)#ÎT}¤bbs.3c3t.comÐA9èaÇø
B(2500/50+500/20=75 加可能的加密=75+1)#ÎT}¤bbs.3c3t.comÐA9èaÇø