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Cel mai inteligent răspuns!
2014-04-17T17:46:17+03:00
(2*23+7)/23-(46+45)/46*23/45
(53/23-91/46)*23/45
aduci la acelasi numitor amplificand prima fractie cu 2
(106/46-91/46)*23/45
15/46*23/45
simplifici
15/2*1/45
simplifici 15 si 45
1/2*1/3
1/6

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2014-04-17T17:48:45+03:00
(2-7/23-1-45/46)23/45=(1-14/46-45/46)23/45=(1-31/46)23/45=(46/46-31/46)23/45=15/46·23/45=1/6
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