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我校在一次七年级数学月考中,采用改编了一道河北省2015年中考题,题目是:选择题:3-2×(-1)=()A.5 B.1 C.-1 D.6这是中考时的一个选择题,我们在月考中改编为了填空题.我们认为作为中考的小题,应是最简单的问题了,但从试卷中反映出仍有部分学生计算错误.更没想到的是就这样一道小题,在判卷后统计时发现:错误答案可谓五花八门,其中还包括平时上课表现较好的学生.我一边翻看着这些学生的试卷,一边在思考:怎样才能使这部分学生走出这种基本运算的
My school in a seventh grade mathematics month test, adapted adapted a Hebei province 2015 senior high school entrance examination questions, the question is: Multiple choice questions: 3-2 × (-1) = () A.5 B.1 C.-1 D .6 This is a multiple choice question for the senior high school entrance examination which we adapted to fill in the blank in the month of examination. We think that the most important issue for the senior high school entrance examination should be the simplest question. However, some of the students still miscalculated from the examination paper. Even more unexpected is that such a small problem, the statistic after the judgments found: the wrong answer can be described as varied, including students who usually perform well in class, while I looked at the papers of these students while thinking: how This part of the students can get out of this basic operation