1π到20π各是多少

如题所述

1π=3.14
2π=6.28
3π=9.42
4π=12.56
5π=15.7
6π=18.84
7π=21.98
8π=25.13
9π=28.27
10π=31.41
11π=34.55
12π=37.69
13π=40.84
14π=43.98
15π=47.12
16π=50.26
17π=53.40
18π=56.54
19π=59.69
20π=62.83
这是保留两位小数的
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第1个回答  2011-11-17
我们老师说的π是约等于3.14的
1π=3.14 2π=6.28 3π=9.42 4π=12.56 5π=15.7 6π=18.86
7π=21.97 8π=25.12 9π=28.26 10π=31.4 11π=34.51 12π=37.68
13π=40.84 14π=43.98 15π=47.12 16π=50.26 17π=53.40 18π=56.54
19π=59.69 20π=62.83

参考资料:老师

第2个回答  2011-11-10
1π 3.1415926
2π 6.2831852
3π 9.4247778
4π 12.5663704
5π 15.7079630
6π 18.8495556
7π 21.9911482
8π 25.1327408
9π 28.2743334
10π 31.4159260
11π 34.5575186
12π 37.6991112
13π 40.8407038
14π 43.9822964
15π 47.1238890
16π 50.2654816
17π 53.4070742
18π 56.5486668
19π 59.6902594
20π 62.8318520
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  2011-11-08
1π 3.1415926
2π 6.2831852
3π 9.4247778
4π 12.5663704
5π 15.7079630
6π 18.8495556
7π 21.9911482
8π 25.1327408
9π 28.2743334
10π 31.4159260
11π 34.5575186
12π 37.6991112
13π 40.8407038
14π 43.9822964
15π 47.1238890
16π 50.2654816
17π 53.4070742
18π 56.5486668
19π 59.6902594
20π 62.8318520
第4个回答  2011-11-15
3.14 6.28 9.42 12.56 15.7 18.84 21.98 25.12 28.26 31.4 34.54 37.68 40.68 43.98 47.12 50.24 53.38