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教材例习题历来是高考题题基的来源,许多高考题是由教材例习题加工整合而成的。因此我们在实际教学中必须重视教材的例习题,深入挖掘教材是我们教学和备考应具备的能力。下面本人仅就人教B版必修2《圆的一般方程》一节中的例题3(P93)和必修五椭圆和抛物线两节节的课后习题为例加以探究,以达抛砖引玉之目的。
Textbook Exercises Problem has always been the source of college entrance examination questions, many college entrance examination questions are processed by the textbook process integration formed. Therefore, we must pay attention to the practical teaching materials in the actual teaching exercises, digging textbooks is our teaching and pro forma should have the ability. Below I only to teach B version compulsory 2 “circle general equation” section of Example 3 (P93) and compulsory five elliptical and parabolic two-post exercise as an example to explore in order to achieve the purpose of giving pointers.