1减0.1减0.01减0.001减0.0001减0.00001~0.0000000001怎么巧算?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/16 18:09:12
1减0.1减0.01减0.001减0.0001减0.00001~0.0000000001怎么巧算?1减0.1减0.01减0.001减0.0001减0.00001~0.0000000001怎么巧算?1减

1减0.1减0.01减0.001减0.0001减0.00001~0.0000000001怎么巧算?
1减0.1减0.01减0.001减0.0001减0.00001~0.0000000001怎么巧算?

1减0.1减0.01减0.001减0.0001减0.00001~0.0000000001怎么巧算?
原式=1-(0.1=0.01=.=0.0000000001)=1-0.1111111111=0.9999999999

1.0000000000 -0.1-0.01-0.001-0.0001-0.00001~....-0.0000000001
=(0.8888888889+0.1111111111)-0.1-0.01-0.001-0.0001-0.00001~....-0.0000000001
=0.8888888889这个好麻烦的,有没有简单点的!1 -0.1-0.01-0.001-0.0001-...

全部展开

1.0000000000 -0.1-0.01-0.001-0.0001-0.00001~....-0.0000000001
=(0.8888888889+0.1111111111)-0.1-0.01-0.001-0.0001-0.00001~....-0.0000000001
=0.8888888889

收起