从 到 min max min max 从 到 max min max min max 3 1.5 4.5 3 2.675 2.775 2.459 2.599 3 1.5 4.5 2.980 2.874 2.655 2.580 2.367 3.5 1.7 5 3.5 3.110 3.222 2.850 3.010 3.5 1.7 5 3.479 3.354 3.089 3.004 2.743 4 2 6 4 3.545 3.663 3.242 3.422 4 2 6 3.978 3.838 3.523 3.433 3.119 5 2.5 7.5 5 4.480 4..605 4.134 4.334 5 2.5 7.5 4.976 4.826 4.456 4.361 3.995 6 3 9 6 5.350 5.500 4.917 5.153 6 3 9 5.974 5.794 5.324 5