Вычислите1) (0,6-1)*0,5 ; 2)(0,25-1):(-5); 3)1,4:(-7)+(-8); 4) 3,5*(-2)+(-8)

[latex]1) ( \frac{6-10}{10}) * \frac{1}{2} = -\frac{1}{5} \\ 2) ( \frac{25-100}{100} ):(-5)= -\frac{3}{20} \\ 3) -\frac{14}{10*7} -8= -\frac{1}{5} -8= -\frac{41}{5} = -8\frac{1}{5} \\ 4) \frac{35}{10} *(-2)-8=-7-8=-15[/latex] ну и как просил(а) [latex]( \frac{25}{10} - \frac{11}{6} ) : \frac{13}{9} - \frac{32}{9}(- \frac{9}{4}) = \frac{40 * 9}{60*13} + 8= \frac{6}{13} +8= \frac{110}{13} = \frac{x}{y} = 8\frac{6}{13} [/latex]