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教学内容北师大版五年级数学上册第27页-28页。课堂实录一、复习导入1.请同学们从自己的学具中(有长方形、三角形、平行四
Teaching content Beijing Normal University edition fifth grade mathematics on the 27th page -28 pages. Class Record 1, review and import 1. Please students from their own learning tools (with rectangular, triangular, parallel to the four