100.1*0.45简便计算

分类: 作业答案 • 2022-05-23 13:57:40

问题描述：

100.1*0.45简便计算

答

100.1*0.45
=(100+0.1)*0.45
=100*0.45+0.1*0.45
=45+0.045
=45.045

答

100.1*0.45
=（100+0.1）*0.45
=100*0.45+1*0.45
=45+0.45
=45.45