问题
填空题
3.14×0.1○3.140.8÷0.98○0.98
0.14÷0.1○3.140.45×0.45○0.45.
答案
①3.14×0.1=0.314,0.314<3.14,所以,3.14×0.1<3.14;
②0.8÷0.98≈0.82,0.82<0.98,0.8÷0.98<0.98;
③0.14÷0.1=1.4,1.4<3.14,所以,0.14÷0.1<3.14;
④0.45×0.45=0.2025,所以,0.45×0.45<0.45.
故答案为:<,<,<,<.