34.5*76.5-345*6.42-123*1.45
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 05:56:17
![34.5*76.5-345*6.42-123*1.45](/uploads/image/z/189416-56-6.jpg?t=34.5%2A76.5-345%2A6.42-123%2A1.45)
34.5*76.5-345*6.42-123*1.45
34.5*76.5-345*6.42-123*1.45
34.5*76.5-345*6.42-123*1.45
34.5*76.5-345*6.42-123*1.45=2639.25-2214.9-178.35=246
34.5乘76.5-345乘6.42-123乘1.45 =34.5×76.5-34.5×64.2-123×1.45 =34.5×(76.5-64.2)-123×1.45 =34.5×12.3-123×1.45 =