1:0.1(1循环)+0.125+0.3(3循环)+0.16(6循环)

问题描述:

1:0.1(1循环)+0.125+0.3(3循环)+0.16(6循环)
2:21356÷21356又21357分之21356

(1)原式=1/9+1/8+1/3+1/6=53/72.
(2)原式=21356/[(21356*21357+21356)/21357]
=(21356*21357)/(21357*21357)
=21356/21357.