某星期日早上,李明在一条南北方向的马路上跑步,他从a点出发,每隔十分钟记录下自己的跑步情况

virginia11172022-10-04 11:39:541条回答

某星期日早上,李明在一条南北方向的马路上跑步,他从a点出发,每隔十分钟记录下自己的跑步情况
向南为正,单位:米:-1018,1005,-960,1013,-927,965.一小时后他停下来休息,此时他在a地的什么方向?距a地多远?李明共跑了多少米?

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云冉砉 共回答了14个问题 | 采纳率100%
共跑5888米,就是这些数字相加,但不算正负,算正负的时候得出的数字是:88,就是在A点北方88的地方.
1年前

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