1.甲骑摩托车,乙骑自行车,同时从A地出发到距A地60千米远的B地,甲的速度是乙的速度的2倍,甲比乙早到90分钟,若设乙的速度为x千/时 列出方程A.60/x-60/2x=90 B.60/2x-60/x=90 C.60/x-60/2x=3/2 D.60/2x-60/x=2/32.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 12:49:57
![1.甲骑摩托车,乙骑自行车,同时从A地出发到距A地60千米远的B地,甲的速度是乙的速度的2倍,甲比乙早到90分钟,若设乙的速度为x千/时 列出方程A.60/x-60/2x=90 B.60/2x-60/x=90 C.60/x-60/2x=3/2 D.60/2x-60/x=2/32.](/uploads/image/z/4452995-11-5.jpg?t=1.%E7%94%B2%E9%AA%91%E6%91%A9%E6%89%98%E8%BD%A6%2C%E4%B9%99%E9%AA%91%E8%87%AA%E8%A1%8C%E8%BD%A6%2C%E5%90%8C%E6%97%B6%E4%BB%8EA%E5%9C%B0%E5%87%BA%E5%8F%91%E5%88%B0%E8%B7%9DA%E5%9C%B060%E5%8D%83%E7%B1%B3%E8%BF%9C%E7%9A%84B%E5%9C%B0%2C%E7%94%B2%E7%9A%84%E9%80%9F%E5%BA%A6%E6%98%AF%E4%B9%99%E7%9A%84%E9%80%9F%E5%BA%A6%E7%9A%842%E5%80%8D%2C%E7%94%B2%E6%AF%94%E4%B9%99%E6%97%A9%E5%88%B090%E5%88%86%E9%92%9F%2C%E8%8B%A5%E8%AE%BE%E4%B9%99%E7%9A%84%E9%80%9F%E5%BA%A6%E4%B8%BAx%E5%8D%83%2F%E6%97%B6+%E5%88%97%E5%87%BA%E6%96%B9%E7%A8%8BA.60%2Fx-60%2F2x%3D90+B.60%2F2x-60%2Fx%3D90+C.60%2Fx-60%2F2x%3D3%2F2+D.60%2F2x-60%2Fx%3D2%2F32.)
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