学生在完全理解了常用对数的原理之后,解常用对数的计算题还常常会出现错误,这是大家都有切身体会的。怎样减少这种由于“粗心”造成的计算错误呢?我认为,首先还得进一步分析产生错误的原因,然后,采取预防措施。下面就是几种常见错误和它的预防方法。 After students fully understand the principle of common logarithms, solving common logarithm calculation problems often leads to errors. This is what everyone has learned. How to reduce this kind of calculation error caused by “carelessness”? I think that first of all, we must further analyze the causes of the errors, and then take preventive measures. Here are some common mistakes and how to prevent it.