| 37 |
| 100 |
385200≈3□万0.3□>0.3861.257亿>1□5700000.(1)
| 37 |
| 100 |
| 37 |
| 100 |
0.37>0.307;
(2)0.45○0.4500,
0.4500=0.45,
0.45=0.45;
(3)0.63○0.63÷0.04,
0.63÷0.04=15.75,
0.63<15.75;
(4)385200≈3□万
385200=38.52万≈39万;
(5)0.3□>0.386,
9>8,所以:
0.39>0.386;
(6)1.257亿>1□5700000,
1.257亿=125700000,
2>1,
125700000>115700000.
故答案为:>,=,<,9,9,1.