这题数学怎么做
Twoplanesleavefromthesameairportatthesametimebuttravelinoppositedirections.Oneflies60...
Two planes leave from the same airport at the same time but travel in opposite directions. One flies 60 mi/h faster than the other. They are 1,820 miles apart after 2 hours. how fast is each plane traveling?
不要直接写答案。要一步一步的写清楚。。。。
而且还要解释为什么要这样做。 展开
不要直接写答案。要一步一步的写清楚。。。。
而且还要解释为什么要这样做。 展开
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