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1. 长方形的对边( ),四个角都是( )。
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填空. 1. 长方形的对边( ),四个角都是( )。. 相等. 直角. 相等. 直角. 2. 正方形的四条边( ),四个角都是( )。. 平行四边形. 对边相等,对边平行,对角相等。. 找一找,哪些是平行四边形?. 2. 5. 4. 6. 2. 3. 1. 4. 5. 6. 说说你见过的平行四边形。. 下列各图哪些是长方形?哪些是正方形?哪些是平行四边形?. 2. 1. 4. 3. 5. 7. 8. 9. 8. 10. 12. 13. 数一数:. 下面图形中有几个平行四边形?.
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1. 长方形的对边( ),四个角都是( )。
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填空 1. 长方形的对边( ),四个角都是( )。 相等 直角 相等 直角 2. 正方形的四条边( ),四个角都是( )。
找一找,哪些是平行四边形? 2 5 4 6 2 3 1 4 5 6
下列各图哪些是长方形?哪些是正方形?哪些是平行四边形?下列各图哪些是长方形?哪些是正方形?哪些是平行四边形? 2 1 4 3 5 7 8 9 8 10 12 13
数一数: 下面图形中有几个平行四边形?
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