试题与答案

检修组乘汽车,沿公路检修线路,约定向东为正.向西为负,某天自A出发,到收工时,行

题型:解答题

题目:

检修组乘汽车,沿公路检修线路,约定向东为正.向西为负,某天自A出发,到收工时,行走记录为(单位:千米):+2、﹣5、+4、+7、﹣2、﹣10、+8、﹣3、+7、+5回答下列问题:

(1)收工时在A地的哪边?距A地多少千米?

(2)汽车总共行驶了多少千米?

(3)若每千米耗油0.3升,问从A地出发到收工时,共耗油多少升?

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E

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