−3,6 * 0,3 + 2,8 * (−0,5) = −2,48
а) −3,6 * 0,3 = −1,08
б) 2,8 * (−0,5) = −1,4
в) −1,08 + (−1,4) = −2,48

5,4 * (−0,7) − (−2,5) * (−2,8) = −10,78
а) 5,4 * (−0,7) = −3,78
б) −2,5 * (−2,8) = 7
в) −3,78 − 7 = −10,78

−6,6 * 0,8 − 3,2 * (−1,6) = −0,16
а) −6,6 * 0,8 = −5,28
б) 3,2 * (−1,6) = −5,12
в) −5,28 − (−5,12) = −5,28 + 5,12 = −0,16

$-1\frac{3}{5} * 3\frac{1}{3} - (1 - \frac{3}{8}) * (\frac{1}{3} - 1) = -5\frac{3}{4} = -4\frac{11}{12}$
а) $-1\frac{3}{5} * 3\frac{1}{3} = -\frac{8}{5} * \frac{10}{3} = -\frac{8}{1} * \frac{2}{3} = -\frac{16}{3} = -5\frac{1}{3}$
б) $1 - \frac{3}{8} = \frac{8}{8} - \frac{3}{8} = \frac{5}{8}$
в) $\frac{1}{3} - 1 = \frac{1}{3} - \frac{3}{3} = -\frac{2}{3}$
г) $\frac{5}{8} * (-\frac{2}{3}) = \frac{5}{4} * (-\frac{1}{3}) = -\frac{5}{12}$
д) $-5\frac{1}{3} - (-\frac{5}{12}) = -5\frac{4}{12} + \frac{5}{12} = -4\frac{16}{12} + \frac{5}{12} = -4\frac{11}{12}$

$(-6 - 2\frac{2}{7} * (-1\frac{5}{44})) * (-2\frac{17}{19}) = 10$
а) $2\frac{2}{7} * (-1\frac{5}{44}) = \frac{16}{7} * (-\frac{49}{44}) = \frac{4}{1} * (-\frac{7}{11}) = -\frac{28}{11} = -2\frac{6}{11}$
б) $-6 - (-2\frac{6}{11}) = -6 + 2\frac{6}{11} = -5\frac{11}{11} + 2\frac{6}{11} = -3\frac{5}{11}$
в) $-3\frac{5}{11} * (-2\frac{17}{19}) = \frac{38}{11} * \frac{55}{19} = \frac{2}{1} * \frac{5}{1} = 10$