In multi - step word problems , they were ' incorrectly translating unity number of the latent component quantity " , " misunderstanding the multiply signs as unity number " , and " misunderstanding division signs as a equal sign " 多步骤题型捉题之错误类型可归纳为： 1 .隐含元素的单位量转换错误； 2 .将直接表征为某一单位数； 3 .将二直接表征为平分。
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