Question

помогитеееееееее!!....​

Answer 1

22.

$1)2\frac{13}{14} -1\frac{9}{14} =(2-1)+(\frac{13}{14} -\frac{9}{14})=1\frac{2}{7}$

$2)3\frac{15}{17} -1\frac{10}{17} =(3-1)+(\frac{15}{17} -\frac{10}{17})=2\frac{5}{17}$

$3)5\frac{18}{31} -2\frac{9}{31} =(5-2)+(\frac{18}{31} -\frac{9}{31})=3\frac{9}{31}$

$4)3\frac{9}{14} -1\frac{9}{14} =(3-1)+(\frac{9}{14} -\frac{9}{14})=2$