计算:1-1/10-1/100-1/1000-1/10000-1/100000递等式,如果不行,就直接写一个答案,

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 04:56:13
计算:1-1/10-1/100-1/1000-1/10000-1/100000递等式,如果不行,就直接写一个答案,

计算:1-1/10-1/100-1/1000-1/10000-1/100000递等式,如果不行,就直接写一个答案,
计算:1-1/10-1/100-1/1000-1/10000-1/100000递等式,如果不行,就直接写一个答案,

计算:1-1/10-1/100-1/1000-1/10000-1/100000递等式,如果不行,就直接写一个答案,
1-1/10-1/100-1/1000-1/10000-1/100000
=1-0.1-0.01-0.001-0.0001-0.00001
=1-(0.1+0.01+0.001+0.0001+0.00001)
=1-0.11111 (或者1-11111/100000)
=0.88889 (或者88889/100000)

1-1/10-1/100-1/1000-1/10000-1/100000
=1-(1/10+1/100+1/1000+1/10000+1/100000)
=1-11111/100000
=88889/100000
=0.88889

-1/10-1/100-1/1000-1/10000-1/100000=X
-1-1/10-1/100-...-1/10000
X-10X
=1-1/100000=-9X
X=-11111/100000
原式=1-11111/100000
=88889/100000