184. Выполните действия: 1) -14,3 · 0,6 + 5,7 · (-1,4); 2) (3,4 - 5) · (-4,12 + 4,04); 3) \(\frac{5}{9} \cdot \left(-3\frac{6}{7}\right) - \left(-3\frac{5}{7}\right) \cdot \frac{3}{52}\); 4) \(\left(2\frac{1}{3} - 3\frac{1}{4}\right) \cdot \left(2\frac{3}{4} - 0,95\right)\).

Решение:

1. \( -14,3 \cdot 0,6 + 5,7 \cdot (-1,4) = -8,58 - 7,98 = -16,56 \)
2. \( (3,4 - 5) \cdot (-4,12 + 4,04) = (-1,6) \cdot (-0,08) = 0,128 \)
3. \( \frac{5}{9} \cdot \left(-3\frac{6}{7}\right) - \left(-3\frac{5}{7}\right) \cdot \frac{3}{52} = \frac{5}{9} \cdot \left(-\frac{27}{7}\right) - \left(-\frac{26}{7}\right) \cdot \frac{3}{52} = -\frac{5 \cdot 3}{7} + \frac{26 \cdot 3}{7 \cdot 52} = -\frac{15}{7} + \frac{3 \cdot 1}{7 \cdot 2} = -\frac{15}{7} + \frac{3}{14} = -\frac{30}{14} + \frac{3}{14} = -\frac{27}{14} = -1\frac{13}{14} \)
4. \( \left(2\frac{1}{3} - 3\frac{1}{4}\right) \cdot \left(2\frac{3}{4} - 0,95\right) = \left(\frac{7}{3} - \frac{13}{4}\right) \cdot \left(\frac{11}{4} - \frac{19}{20}\right) = \left(\frac{28 - 39}{12}\right) \cdot \left(\frac{55 - 19}{20}\right) = \left(-\frac{11}{12}\right) \cdot \left(\frac{36}{20}\right) = -\frac{11 \cdot 3}{10} = -\frac{33}{10} = -3,3 \)

Ответ: 1) -16,56; 2) 0,128; 3) -1\( \frac{13}{14} \); 4) -3,3.