| 0.61______0.60915元7角8分______15.80元3.6亿______3600000001.23吨______1吨23千克. |
| 0.61>0.609; 15元7角8分=15.78元,15.78<15.80,所以15元7角8分<15.80元; 3.6亿=360000000,360000000=360000000,所以3.6亿=360000000; 1吨23千克=1.023千克,1.23>1.023,所以1.23吨>1吨23千克. 故答案为:>,<,=,>. |
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