7.2*61又3\10+73.8*2又5\4

来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/20 10:13:22
7.2*61又3\10+73.8*2又5\47.2*61又3\10+73.8*2又5\47.2*61又3\10+73.8*2又5\47.2*61又3\10+73.8*2又5\4=7.2*613/10+

7.2*61又3\10+73.8*2又5\4
7.2*61又3\10+73.8*2又5\4

7.2*61又3\10+73.8*2又5\4
7.2*61又3\10+73.8*2又5\4
=7.2*613/10+73.8*13/4
=441.36+239.85
=681.21