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15问答网 > 在比例尺是1:5000000的地图上,量得AB两地相距6cm,甲乙两车同时从AB两地相对开出，3小时后相遇，速度比是

在比例尺是1:5000000的地图上,量得AB两地相距6cm,甲乙两车同时从AB两地相对开出，3小时后相遇，速度比是

2:3，求甲车的速度。

2025-03-29 22:57:01

推荐回答（3个）

回答1：

设甲车的速度为2x，则乙车的速度为3x
AB的实际距离为6cm*5000000=30000000cm=300千米
则3*2x+3*3x=300
解得x=20
则甲车的速度为40千米每小时

回答2：

6乘5000000等于30000000cm
30000000cm等于300km
300除以3除以2加3的和等于20km
20乘2等于40km每时

回答3：

6*5000000=30000000cm
30000000cm=300km
300/3=100
甲车的速度100*2(2+3)=40km

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