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最近参加市数学教研室组织的几次活动,听了几节示范课,现简要记述如下:课例1七年级(上)“合并同类项”第二课时.教师首先给出几组单项式,分析它们的特点,得到
Recently, I participated in several activities organized by the Municipal Mathematical Teaching and Research Section and listened to several demonstration classes. The brief descriptions are as follows: Class 1 Grade 1 (upper) “Combined similar items ” Second Class Hours. The teacher first gives several groups of monomials. Analyze their characteristics and get