问题 填空题 在横线上填上“>”“<”或“=”. 7.21______7.2124.933______4.932.8÷0.6______2.80.45×1.05______0.45. 答案 7.21<7.212,4.933>4.93,2.8÷0.6>2.8,0.45×1.05>0.45.故答案为:<,>,>,>.