参数x

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

sumc

0.9935

0.9937

0.9938

0.9939

0.99399

0.9940

0.9938

0.9936

0.110

0.099415

0.0