1.Вычислить: 1) -3,7+ (-5,93) 2) 6,563-8,43 3) -5,92-(-3,21) 4) -(-) 5) -+ 6) :(- 7) - 8) -6,1-0,3 9) -3,5-(-0,4) 10) 34 2.Выполните действия: (-+):(+) (- 3. Решить уравнение:

1. -3,7 + (-5,93) = -3,7 - 5,93 = -9,63

2. 6,563 - 8,43 = -1,867

3. -5,92 - (-3,21) = -5,92 + 3,21 = -2,71

4. \[\frac{5}{16} - \left(-\frac{3}{8}\right) = \frac{5}{16} + \frac{3}{8} = \frac{5}{16} + \frac{6}{16} = \frac{11}{16}\]

   Ответ: \(\frac{11}{16}\)

5. \[-\frac{9}{11} + \frac{4}{3} = -\frac{27}{33} + \frac{44}{33} = \frac{17}{33}\]

   Ответ: \(\frac{17}{33}\)

6. \[\frac{5}{9} : \left(-\frac{27}{20}\right) = \frac{5}{9} \cdot \left(-\frac{20}{27}\right) = -\frac{5 \cdot 20}{9 \cdot 27} = -\frac{100}{243}\]

   Ответ: \(-\frac{100}{243}\)

7. \[-\frac{4}{7} \cdot \frac{8}{7} = -\frac{4 \cdot 8}{7 \cdot 7} = -\frac{32}{49}\]

   Ответ: \(-\frac{32}{49}\)

8. -6,1 * 0,3 = -1,83

9. -3,5 * (-0,4) = 1,4

10. \[\frac{13}{34} \cdot \left(-\frac{17}{26}\right) = -\frac{13 \cdot 17}{34 \cdot 26} = -\frac{1}{4}\]

    Ответ: \(-\frac{1}{4}\)

2. Выполните действия:

1. \[\left(-\frac{7}{18} + \frac{11}{12}\right) : \left(-\frac{19}{48}\right) = \left(-\frac{14}{36} + \frac{33}{36}\right) : \left(-\frac{19}{48}\right) = \frac{19}{36} : \left(-\frac{19}{48}\right) = \frac{19}{36} \cdot \left(-\frac{48}{19}\right) = -\frac{48}{36} = -\frac{4}{3} = -1\frac{1}{3}\]

   Ответ: \(-1\frac{1}{3}\)

2. \[\left(\frac{10}{21} - \frac{25}{28}\right) : \left(-\frac{11}{14} + \frac{14}{35}\right) = \left(\frac{40}{84} - \frac{75}{84}\right) : \left(-\frac{55}{70} + \frac{28}{70}\right) = \left(-\frac{35}{84}\right) : \left(-\frac{27}{70}\right) = \left(-\frac{5}{12}\right) : \left(-\frac{27}{70}\right) = \left(-\frac{5}{12}\right) \cdot \left(-\frac{70}{27}\right) = \frac{5 \cdot 70}{12 \cdot 27} = \frac{350}{324} = \frac{175}{162} = 1\frac{13}{162}\]

   Ответ: \(1\frac{13}{162}\)