: http://www.4shared.com/document/Hf4IrHEk/2_online.html
... ٢٠١٧ ٣find the equation
word
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http://im2.gulfup.com/2011-03-17/1300332689751.jpg ... ...
3 1
12 19 ( )
2 1 5
: 1 (0 1 )
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