考生解中考数学客观题失误的原因是多方面的，但其中有一方面是不善于挖掘题中的隐含条件而出错。而不同的题目其隐含条件的形式、特点及程度又各不相同，因此善于挖掘隐含条件是能否有效、合理、科学地解决问题的关键。下面就畅通型、受阻型谈挖掘隐含条件的重要性。1畅通型隐 There are many reasons why candidates fail to take the objective problem of math in exams, but one of them is not good at digging the implicit conditions in the question and make mistakes. Different forms have different forms, characteristics and degrees of implied conditions, so being good at digging implicit conditions is the key to effectively, reasonably and scientifically solving the problem. The following is clear, obstruct type talk about the importance of mining conditions. 1 smooth type hidden