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【片断回放】认识了平行四边形的特征后——师:通过刚才的研究与讨论,我们知道平行四边形的对边互相平行且相等。现在我们可以说对边互相平行且相等的四边形为平行四边形吗?生:可以的。教师自言自语,不断轻声地说“:对边互相平行且相等的四边形是平行四边形。”学生在教师的自?
After the recognition of the characteristics of the parallelogram - division: Through just the research and discussion, we know that the parallelogram of the parallel and equal to each other. Now we can say that the quadrilaterals whose sides are parallel and equal to each other are parallelograms. The teacher whispered softly: “The quadrilateral that is parallel and equal to one another is a parallelogram.” Students in the teacher's self?