3.5X5分之4+5.5X80%+0.8

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/09 09:26:17
3.5X5分之4+5.5X80%+0.83.5X5分之4+5.5X80%+0.83.5X5分之4+5.5X80%+0.83.5X5分之4+5.5X80%+0.8=3.5X0.8+5.5X0.8+0.8

3.5X5分之4+5.5X80%+0.8
3.5X5分之4+5.5X80%+0.8

3.5X5分之4+5.5X80%+0.8
3.5X5分之4+5.5X80%+0.8
=3.5X0.8+5.5X0.8+0.8
=(3.5+5.5+1)X0.8
=10X0.8
=8