[tex](-1\frac{3}{8} -2\frac{5}{12} ):5\frac{5}{12} =(-\frac{11}{8} -\frac{29}{12} ):\frac{65}{12} =(-\frac{33}{24} -\frac{58}{24} )*\frac{12}{65} =-\frac{91}{24} *\frac{12}{65} =-\frac{7}{2} *\frac{1}{5} =-\frac{7}{10}[/tex]

Ответ:

-7/10

Объяснение:

1) -1 3/8 - 2 5/12 = -1 9/24 - 2 10/24 = -3 19/24

2) -3 19/24 : 5 5/12 = -91/24 : 65/12 = -91/24 * 12/65 = -91/2 * 1/65 = -91/130 = -7/10