圆周率倍数表（圆周率倍数表（1 1100100）1 3.14 26 81.64 51 160.14 76 238.642 6.28 27 84.78 52 163.28 77 241.783 9.42 28 87.92 53 166.42 78 244.924 12.56 29 91.06 54 169.56 79 248.065 15.7 30 94.2 55 172.7 80 251.26 18.84 31 97.34 56 175.84 81 254.347 21.98 32 100.48 57 178.98 82 257.488 25.12 33 103.62 58 182.12 83 260.629 28.26 34 106.76 59 185.26 84 263.7610 31.4 35 109.9 60 188.4 85 266.911 34.54 36 113.04 61 191.54 86 270.0412 37.68 37 116.18 62 194.68 87 273.1813 40.82 38 119.32 63 197.82 88 276.3214 43.96 39 122.46 64 200.96 89 279.4615 47.1 40 125.6 65 204.1 90 282.616 50.24 41 128.74 66 207.24 91 285.7417 53.38 42 131.88 67 210.38 92 288.8818 56.52 43 135.02 68 213.52 93 292.0219 59.66 44 138.16 69 216.66 94 295.1620 62.8 45 141.3 70 219.8 95 298.321 65.94 46 144.44 71 222.94 96 301.4422 69.08 47 147.58 72 226.08 97 304.5823 72.22 48 150.72 73 229.22 98 307.7224 75.36 49 153.86 74 232.36 99 310.8625 78.5 50 157 75 235.5 100 341