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案例背景:本节课主要是围绕两条直线平行所要满足的条件而展开.在具体的教学过程中发现,许多同学在解两直线平行的有关问题时,经常会忘记或忽略一些细节,因此有必要仔细研究两直线平行的所满足的条件以及遇到直线的方程为一般式时如何去判定两条直线的平行。
Case Background: This lesson mainly focuses on the conditions to be satisfied when two lines are parallel to each other.I found in the teaching process that many students often forget or ignore some of the details when solving the two-line parallel problem. Therefore, It is necessary to carefully study the two parallel conditions to meet the straight line and the equation is normal how to determine the two lines parallel.