,,Evaluare in matematica,,
Posted: Thu Jan 15, 2009 12:47 pm
Sa se arate ca daca \( a,b \in \mathb{N} \) , \( 0<a<b \) atunci exista numerele naturale nenule \( r , d_1, d_2 , ... , d_r \) astfel incat \( \frac{a}{b}=\frac{1}{d_1}+\frac{1}{d_1 \cdot d_2}+...+\frac{1}{d_1 \cdot d_2 \cdot ... \cdot d_r} \) .