8km÷40km/h=8km÷(40km÷60min)=6min

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/17 14:11:43

8km÷40km/h=8km÷(40km÷60min)=6min
8km÷40km/h=8km÷(40km÷60min)=6min

8km÷40km/h=8km÷(40km÷60min)=6min
不对.
8km÷(40km÷60min)=8km÷40km*60min=12min