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应用问题是初中代数的一个重点和难点,尤其是相向行程问题,这里向同学们介绍这类问题的两种简捷解法,供大家参考.1比例法
The application problem is a key and difficult point of junior high school algebra, especially the problem of opposite directions. Here I introduce to the students two simple solutions to this type of problem for your reference.