二年级数学下册六《认识图形》平形四边形习题(无答案)北师大版.docx

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1平形四边形1.判断:平行四边形的对角相等。 ()2.选择:平行四边形的( )相等。四个角四条边对边3.把平行四边形的序号填在括号里。平行四边形有( )。4.判断:平行四边形的对边相等。 () 平行四边形的四个角一定不是直角。 ()5.选择:木头椅子摇晃了,常常在椅子下边斜着钉木条,这是运用了()三角形的稳定性能平行四边形容易变形的特性6.()是长方形, ()是正方形, ()是平行四边形。7.选择:下面的四边形中, ()不是平行四边形。28.数一数。( )个长方形( )个正方形( )个平行四边形答案与解析略 3

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