[tex]-2\frac{1}{5} -(-8,8) + (-5\frac{3}{5} ) = \\\\= -\frac{11}{5} + 8,8 - 5\frac{3}{5} = \\\\= -\frac{11}{5} + \frac{\not88^{44} }{\not10^{5} } - \frac{18}{5} = \\\\= 1[/tex]
