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2014-10-20T19:21:46+03:00
=(25/10-7/3·5/7)·(17/1·5/34+1/2)+14/30:13/2=SIMPLIFICAM CE SE POATE
=(25/10-5/3)·(5/2+1/2)+13/40·2/13 SE SIMPLIFICA=
=[(3·25-5·10)/30·6/2]+1/20=
=25/30·3+1/20=
=25/10+1/20=(25·2+1)/20=51/20=2,55
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