圆周率（3.14）乘1——100

3.14 6.28 9.42 12.56 15.7
18.84 21.98 25.12 30.6 31.4
34.54 37.68 40.82 43.96 47.1
50.24 53.38 56.52 59.66 62.8
65.94 69.08 72.22 75.36 78.5
81.64 84.78 87.92 91.06 94.2
97.34 100.48 103.62 106.76 109.9
113.04 116.18 119.32 122.46 125.6
128.74 131.88 135.02 138.16 141.3
144.44 147.58 150.72 153.86 157
160.14 163.28 166.42 169.56 172.7
175.84 178.98 182.12 185.26 188.4
191.54 194.68 197.82 200.96 204.1
207.24 210.38 213.52 216.66 219.8
222.94 226.08 229.22 232.36 235.5
238.64 241.78 244.92 248.06 251.2
254.34 257.48 260.62 263.76 266.9
270.04 273.18 276.32 279.46 282.6
285.74 288.88 292.02 295.16 298.3
301.44 304.58 307.72 310.86 314

计算器

3.14 6.28 9.42 12.56 15.7
18.84 21.98 25.12 30.6 31.4
34.54 37.68 40.82 43.96 47.1
50.24 53.38 56.52 59.66 62.8
65.94 69.08 72.22 75.36 78.5
81.64 84.78 87.92 91.06 94.2
97.34 ...

3.14*5050=15857
=3.14*（1+2+3+4……+100）
=3.14*100*（100+1）/2

3.14（*1）
6.28
9.42
12.56
15.7
18.84
21.98
25.12
28.26
31.4（*10）
34.54
37.68
40.82
43.96
47.1
50.24
53.28
56.52
59.66
62.8（*2...

3.14*（1+100）/2=317.14