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随着新课标的推广实施,出现了不少与商品打折有关的数学题,这不仅体现了数学的实际应用性,而且有效地考查了解决实际问题的能力．本人在教学中碰到这样一个练习,评析如下．
With the promotion and implementation of the new curriculum standard, there have been a number of mathematical problems related to commodity discount. This not only reflects the practical application of mathematics, but also effectively examines the ability to solve practical problems. I encountered such an exercise in teaching and commented as follows.