四年级下册数学同步练习-7单元7课时-认识梯形-苏教版
http://t.cn/Ri466E4苏教版小学数学四年级下册《认识梯形》同步练习及参考答案一、判断1、有一组对边平行的四边形叫做梯形.()2、梯形是特殊的平行四边形.()3、一个梯形中只有一组对边平行.()二、选择1、两个完全一样的直角梯形,一定不能拼成( )A.平行四边形B.长方形C.三角形2、等腰梯形的( )相等.A.两条腰B.四个角C.上下两底3、在梯形里可以画()条高A.1条B.2条C.4条D.无数条三、操作题1、下图是一个梯形。A3厘米5厘米教育1http://t.cn/Ri466E4(1)过A点在图中画一条线,将这个梯形分成一个平行四边形和一个三角形. (2)过A点作...
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