Ҳисоб кунед:
\( 1.\) \[2 \frac{3}{7}+1 \frac{26}{35} -3 \frac{1}{5}+ \frac{1}{35} =1 \]
Ҳал:
\[ 2 \frac{3}{7}+1 \frac{26}{35} -3 \frac{1}{5}+ \frac{1}{35} = \frac{17}{7}+ \frac{61}{35} -\frac{16}{5}+ \frac{1}{35}=\frac{85+61-112+1}{35}=\frac{35}{35}=1; \]
