由题意可以看出全程的2/10为40千米
甲乙两地的距离为40×5=200(千米)等量关系式怎么列x*30%+40=x\20.2x=40x=200
一辆车从甲地开往乙地,行了全程的30%,这时距两地的中点还有40千米,甲,乙两地相距多少千米?
一辆车从甲地开往乙地,行了全程的30%,这时距两地的中点还有40千米,甲,乙两地相距多少千米?
列等量关系式
列等量关系式
数学人气:173 ℃时间:2019-10-24 10:38:44
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