45×3-30
=135-30
=105千米
甲乙两车分别同时从AB两地相向而行,在距B地45千米处相遇,他们各自到达地方车站后立即返回,途中又在距
甲乙两车分别同时从AB两地相向而行,在距B地45千米处相遇,他们各自到达地方车站后立即返回,途中又在距
A地30千米处相遇.求AB两地间的距离.
A地30千米处相遇.求AB两地间的距离.
数学人气:837 ℃时间:2019-11-10 21:46:24
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