C、D、A、B不知道可对ò²î:z.obbs.3c3t.comGhýô9óê
C(2500/100+500/50=35 加可能的加密=35+1)ò²î:z.obbs.3c3t.comGhýô9óê
D(3000/100=30 加可能的加密=30+1)ò²î:z.obbs.3c3t.comGhýô9óê
A(用折线法调整直线段)ò²î:z.obbs.3c3t.comGhýô9óê
B(2500/50+500/20=75 加可能的加密=75+1)ò²î:z.obbs.3c3t.comGhýô9óê