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230问答网 > 列方程解应用题急急急急需在线等跪了

列方程解应用题急急急急需在线等跪了

2025-02-11 09:03:48

推荐回答（3个）

回答1：

解：设乙车的速度是X千米/小时。
1.5X=18+48x1.5
1.5X=90
X=90÷1.5
X=60
答：乙车的速度是60千米/时。

回答2：

解：设乙车每小时行x千米
1.5x=48×1.5+18
1.5x=90
x=90÷1.5
x=60

回答3：

1.5x-48×1.5=18
解得x=88.5

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