Odpowiedź:
[tex]3-\frac{2}{5}=2\frac{5}{5}-\frac{2}{5}=2\frac{3}{5}\\\\8-\frac{23}{25}=7\frac{25}{25}-\frac{23}{25}=7\frac{2}{25}\\\\7-4\frac{2}{25}=6\frac{25}{25}-4\frac{2}{25}=2\frac{23}{25}\\\\25-17\frac{3}{5}=24\frac{5}{5}-17\frac{3}{5}=7\frac{2}{5}\\\\5\frac{3}{6}-2=3\frac{3}{6}=3\frac{1}{2}\\\\107\frac{13}{5}-13=107+2\frac{3}{5}-13=109\frac{3}{5}-13=96\frac{3}{5}[/tex]
