常见的圆周率的乘积Word文件下载.doc

常见的圆周率的乘积Word文件下载.doc

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3²

3×

3=28.26

4=12.563.14×

4²

4×

4=50.24

5=15.73.14×

5²

5×

5=78.5

6=18.843.14×

6²

6×

6=113.04

7=21.983.14×

7²

7×

7=153.86

8=25.123.14×

8²

8×

8=200.96

9=28.263.14×

9²

9×

9=254.34

10=31.43.14×

10²

10×

10=314

11=34.543.14×

11²

11×

11=379.94

12=37.683.14×

12²

12×

12=452.16

13=40.823.14×

13²

13×

13=530.66

14=43.963.14×

14²

14×

14=615.44

15=47.03.14×

15²

15×

15=706.50

16=50.243.14×

16²

16×

16=803.84

17=53.383.14×

17²

17×

17=907.46

18=56.53.14×

18²

18×

18=1017.36

19=59.663.14×

19²

19×

19=1133.54

20=62.83.14×

20²

20×

20=1256

21=65.943.14×

21²

=3.12×

21×

21=1384.74

22=69.083.14×

22²

22×

22=1519.76

23=72.223.14×

23²

23×

23=1661.06

24=75.363.14×

24²

24×

24=1808.64

25=78.503.14×

25²

25×

25=1968.75