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2014-11-12T12:33:46+02:00
A=913-396x2 a=913-792 a=121 b=123x2+75 b=321 c=39+185x4 c=779 Sper ca am ajutat
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2014-11-12T12:35:00+02:00
A+396×2=913  a+792=913  a=913-792   a=121     ;    123×2-b=75    246 -b=75    b=246-75     b=171      ; c-185×4=39     c-740 =39       c= 740+39    c=779
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