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当前 ,有关应用题和实践操作题已成为中考的主要内容之一 ,一些学生在解此类问题时常出现这样或那样的错误 ,下面通过实例加以剖析 ,以期对同学们能有所帮助 .例 1 某个体商贩同时出售两件上衣 ,每件售价为 135元 ,按成本核算 ,其中一件盈利 2 5 % ,另一件亏本 2 5 % ,则在此
At present, relevant questions and practical operation questions have become one of the main contents of the middle school entrance examination. Some students often show one or the other error in solving such problems. The following examples are used to analyze them in order to help the students. Example 1 A body dealer sells two top coats at the same time. The price of each item is 135 yuan. According to the cost calculation, one of the profits is 25%, and the other is 25% of the loss.