1、(1)19.998 29.997 39.996 49.995 59.994 69.993 79.992
(2)285.714 428.571 571.428 714.285 857.142
2、(1)11.11104 11.111103 11.1111102 11.11111101
(2)88.88886 9.87654 88.888887 9.876543 88.8888888 9.8765432 88.88888889 9.87654321
3、(1)0.25 0.36
(2)0.0032 0.000128
(3)6.25 3.90625