الفهرس 
البنية الهيكلية للبحثيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
Maths and especially geometry can`t be learned negatively or by automatic memorization it should be discovered by the pupil in an atmosphere of activity and research in addition to that modern methodology affirms that pupil should discover by them selves the mathematical concept supervised by their understanding teacher.