books الخاصية التجميعية
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# Socio-economic characteristics
# social and cultural characteristics
# Characteristics of a rural community
# characteristics of civil society
# Social worker in the medical field
# Characteristics of the Islamic Society
# characteristics of Algerian society
# Characteristics of a knowledge society
# Socio-economic characteristics of the city
# University majors and the plight of culture
# Qatari society characteristics
# characteristics of the information society
# Characteristics of Friday N1 Al-Suyuti
# Characteristics of Arab society
# characteristics of the Bedouin society
# Sudan University of Science and Technology majors
# Characteristics of groups in the periodic table
# Indian social workers
# Sixth group characteristics
# Characteristics of the local community
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Source: wikipedia.org
الخاصية التجميعية (Info)
وهي الخاصية التي إن غيرت فيها مكان العدد لا يغير نتيجة العملية، فمثلا (2x(5x4 تساوي (5x(2x4. وتنطبق هذه الخاصية على الجمع كذلك، مثل (4+5)+2 تساوي (4+2)+5.
