第1个回答 2011-11-10
1 3.14 9.86
2 6.28 39.44
3 9.42 88.74
4 12.56 157.75
5 15.70 246.49
6 18.84 354.95
7 21.98 483.12
8 25.12 631.01
9 28.26 798.63
10 31.40 985.96
11 34.54 1193.01
12 37.68 1419.78
13 40.82 1666.27
14 43.96 1932.48
15 47.10 2218.41
16 50.24 2524.06
17 53.38 2849.42
18 56.52 3194.51
19 59.66 3559.32
20 62.80 3943.84
21 65.94 4348.08
22 69.08 4772.05
23 72.22 5215.73
24 75.36 5679.13
25 78.50 6162.25
26 81.64 6665.09
27 84.78 7187.65
28 87.92 7729.93
29 91.06 8291.92
30 94.20 8873.64
31 97.34 9475.08
32 100.48 10096.23
33 103.62 10737.10
34 106.76 11397.70
35 109.90 12078.01
36 113.04 12778.04
37 116.18 13497.79
38 119.32 14237.26
39 122.46 14996.45
40 125.60 15775.36
41 128.74 16573.99
42 131.88 17392.33
43 135.02 18230.40
44 138.16 19088.19
45 141.30 19965.69
46 144.44 20862.91
47 147.58 21779.86
48 150.72 22716.52
49 153.86 23672.90
50 157.00 24649.00
51 160.14 25644.82
52 163.28 26660.36
53 166.42 27695.62
54 169.56 28750.59
55 172.70 29825.29
56 175.84 30919.71
57 178.98 32033.84
58 182.12 33167.69
59 185.26 34321.27
60 188.40 35494.56
61 191.54 36687.57
62 194.68 37900.30
63 197.82 39132.75
64 200.96 40384.92
65 204.10 41656.81
66 207.24 42948.42
67 210.38 44259.74
68 213.52 45590.79
69 216.66 46941.56
70 219.80 48312.04
71 222.94 49702.24
72 226.08 51112.17
73 229.22 52541.81
74 232.36 53991.17
75 235.50 55460.25
76 238.64 56949.05
77 241.78 58457.57
78 244.92 59985.81
79 248.06 61533.76
80 251.20 63101.44
81 254.34 64688.84
82 257.48 66295.95
83 260.62 67922.78
84 263.76 69569.34
85 266.90 71235.61
86 270.04 72921.60
87 273.18 74627.31
88 276.32 76352.74
89 279.46 78097.89
90 282.60 79862.76
91 285.74 81647.35
92 288.88 83451.65
93 292.02 85275.68
94 295.16 87119.43
95 298.30 88982.89
96 301.44 90866.07
97 304.58 92768.98
98 307.72 94691.60
99 310.86 96633.94
100 314.00 98596.00
第2个回答 2011-11-23
1 3.14 9.86
2 6.28 39.44
3 9.42 88.74
4 12.56 157.75
5 15.70 246.49
6 18.84 354.95
7 21.98 483.12
8 25.12 631.01
9 28.26 798.63
10 31.40 985.96
11 34.54 1193.01
12 37.68 1419.78
13 40.82 1666.27
14 43.96 1932.48
15 47.10 2218.41
16 50.24 2524.06
17 53.38 2849.42
18 56.52 3194.51
19 59.66 3559.32
20 62.80 3943.84
21 65.94 4348.08
22 69.08 4772.05
23 72.22 5215.73
24 75.36 5679.13
25 78.50 6162.25
26 81.64 6665.09
27 84.78 7187.65
28 87.92 7729.93
29 91.06 8291.92
30 94.20 8873.64
31 97.34 9475.08
32 100.48 10096.23
33 103.62 10737.10
34 106.76 11397.70
35 109.90 12078.01
36 113.04 12778.04
37 116.18 13497.79
38 119.32 14237.26
39 122.46 14996.45
40 125.60 15775.36
41 128.74 16573.99
42 131.88 17392.33
43 135.02 18230.40
44 138.16 19088.19
45 141.30 19965.69
46 144.44 20862.91
47 147.58 21779.86
48 150.72 22716.52
49 153.86 23672.90
50 157.00 24649.00
51 160.14 25644.82
52 163.28 26660.36
53 166.42 27695.62
54 169.56 28750.59
55 172.70 29825.29
56 175.84 30919.71
57 178.98 32033.84
58 182.12 33167.69
59 185.26 34321.27
60 188.40 35494.56
61 191.54 36687.57
62 194.68 37900.30
63 197.82 39132.75
64 200.96 40384.92
65 204.10 41656.81
66 207.24 42948.42
67 210.38 44259.74
68 213.52 45590.79
69 216.66 46941.56
70 219.80 48312.04
71 222.94 49702.24
72 226.08 51112.17
73 229.22 52541.81
74 232.36 53991.17
75 235.50 55460.25
76 238.64 56949.05
77 241.78 58457.57
78 244.92 59985.81
79 248.06 61533.76
80 251.20 63101.44
81 254.34 64688.84
82 257.48 66295.95
83 260.62 67922.78
84 263.76 69569.34
85 266.90 71235.61
86 270.04 72921.60
87 273.18 74627.31
88 276.32 76352.74
89 279.46 78097.89
90 282.60 79862.76
91 285.74 81647.35
92 288.88 83451.65
93 292.02 85275.68
94 295.16 87119.43
95 298.30 88982.89
96 301.44 90866.07
97 304.58 92768.98
98 307.72 94691.60
99 310.86 96633.94
100 314.00 98596.00
第3个回答 2011-11-20
1 3.14 9.86
2 6.28 39.44
3 9.42 88.74
4 12.56 157.75
5 15.70 246.49
6 18.84 354.95
7 21.98 483.12
8 25.12 631.01
9 28.26 798.63
10 31.40 985.96
11 34.54 1193.01
12 37.68 1419.78
13 40.82 1666.27
14 43.96 1932.48
15 47.10 2218.41
16 50.24 2524.06
17 53.38 2849.42
18 56.52 3194.51
19 59.66 3559.32
20 62.80 3943.84
21 65.94 4348.08
22 69.08 4772.05
23 72.22 5215.73
24 75.36 5679.13
25 78.50 6162.25
26 81.64 6665.09
27 84.78 7187.65
28 87.92 7729.93
29 91.06 8291.92
30 94.20 8873.64
31 97.34 9475.08
32 100.48 10096.23
33 103.62 10737.10
34 106.76 11397.70
35 109.90 12078.01
36 113.04 12778.04
37 116.18 13497.79
38 119.32 14237.26
39 122.46 14996.45
40 125.60 15775.36
41 128.74 16573.99
42 131.88 17392.33
43 135.02 18230.40
44 138.16 19088.19
45 141.30 19965.69
46 144.44 20862.91
47 147.58 21779.86
48 150.72 22716.52
49 153.86 23672.90
50 157.00 24649.00
51 160.14 25644.82
52 163.28 26660.36
53 166.42 27695.62
54 169.56 28750.59
55 172.70 29825.29
56 175.84 30919.71
57 178.98 32033.84
58 182.12 33167.69
59 185.26 34321.27
60 188.40 35494.56
61 191.54 36687.57
62 194.68 37900.30
63 197.82 39132.75
64 200.96 40384.92
65 204.10 41656.81
66 207.24 42948.42
67 210.38 44259.74
68 213.52 45590.79
69 216.66 46941.56
70 219.80 48312.04
71 222.94 49702.24
72 226.08 51112.17
73 229.22 52541.81
74 232.36 53991.17
75 235.50 55460.25
76 238.64 56949.05
77 241.78 58457.57
78 244.92 59985.81
79 248.06 61533.76
80 251.20 63101.44
81 254.34 64688.84
82 257.48 66295.95
83 260.62 67922.78
84 263.76 69569.34
85 266.90 71235.61
86 270.04 72921.60
87 273.18 74627.31
88 276.32 76352.74
89 279.46 78097.89
90 282.60 79862.76
91 285.74 81647.35
92 288.88 83451.65
93 292.02 85275.68
94 295.16 87119.43
95 298.30 88982.89
96 301.44 90866.07
97 304.58 92768.98
98 307.72 94691.60
99 310.86 96633.94
100 314.00 98596.00
第4个回答 2011-11-21
3π:9.42.。。。。。4π:12.56.。。。。。。5π:15.7.。。。。。。。6π:18.84