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Nu stim la scoala...
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Nu stim la scoala...
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15 Mar 2009, 19:41
Post: #14 |
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Sisteme de cate ecuatii cu cate necunoscute?
Presupun ca esti clasa a 8-a si ati ajuns la sisteme de 2 ecuatii cu 2 necunoscute, nu? Daca acestea sunt, eu stiu doar 3 metode de rezolvare: I.Metoda substitutiei II.Metoda reducerii III. Metoda grafica Ar putea sa mai fie: IV.Metode combinate , dar nu stiu daca asta e... [ Mary Mystery ]
![[Image: 97340994.png]](http://img32.imageshack.us/img32/6020/97340994.png) ![[Image: brees.jpg]](http://img248.imageshack.us/img248/2051/brees.jpg) |
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