下列�题正确的是 A．一组对边平行一组对边相等的四边形是平行四边形b．对角线互相垂直的平行四边形是菱形c．如果顺次连结一个四边形各边中点 Sketch Coloring Page

下列�题正确的是 A．一组对边平行一组对边相等的四边形是平行四边形b．对角线互相垂直的平行四边形是菱形c．如果顺次连结一个四边形各边中点 Template

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tomski下列�题正确的是 a．一组对边平行一组对边相等的四边形是平行四边形b．对角线互相垂直的平行四边形是菱形c．如果顺次连结一个四边形各边中点 coloring

下列�题正确的是 A．一组对边平行一组对边相等的四边形是平行四边形B．对角线互相垂直的平行四边形是菱形C．如果顺次连结一个四边形各边中点 sketch template

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给出下列判断�一组对边平行另一组对边相等的四边形是平行四边形�对角线相等的四边形是矩形�对角线互相垂直且相等的四边形是正方形�有一条 sketch template

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