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ÒåÑÇÁ 255
2010-05-13, 23:13
ÇáÓáÇã Úáíßã íÇ ÇÕÏÞÇÁ.ãä áÏíå ãæÖæ Ýí ÏÑÓ ÊÓãíÉ ãÑßÈÇÊ ÇáßíãíÇÁ ÇáÚÖæíÉ .æÇÌÑßã ÌãíÚÇ Úáì Çááå:confused::confused::confused:
Çãíä ÇáÇÓáÇã
2010-05-13, 23:35
åÐÇ ãÇæÌÏÊå æÃÊãäì Ãä íÝí ÈÇáÛÑÖ
http://www.woodrow.org/teachers/chem...amingcomp.html
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http://www.fordhamprep.org/gcurran/s...s/lesson54.htm
ÒåÑÇÁ 255
2010-05-15, 14:26
thank you brother
Çãíä ÇáÇÓáÇã
2010-05-15, 15:24
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kader7989
2010-05-15, 15:33
ÔßÑÇ ÇÎí aaa120 Úáì ÇáãÓÇÚÏÉ
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2010-05-15, 15:36
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