1、略 2、略
3、题目略
54.45 21
549.45 22.11
5499.45 222.111
54999.45 2222.1111
219999.78 549999.45 22222.11111
2199999.78 5499999.45 222222.111111
4、题目略
11.11104 88.88886 9.87654
11.111103 88.888887 9.876543
11.1111102 88.8888888 9.8765432
11.11111101 88.88888889 9.87654321