3. Вычислите: 1) (0,008 + 0,992) : (5 · 0,6 − 1,4); 2) 13,5 · 9,1 · (−3,3) : (−0,00013); 3) (8 7/12 − 2 11/36) · 2,7 − 4 1/3 : 0,65; 4) (1 11/24 + 13/36) · 1,44 − 8/15 · 0,5625.

1. \((0.008+0.992):(5\cdot0.6-1.4)=1:1.6=0.625\).
2. \(13.5\cdot9.1\cdot(-3.3):(-0.00013)=(-405.405):(-0.00013)=3118500\).
3. \(8\frac{7}{12}-2\frac{11}{36}=6\frac{5}{18}=\frac{113}{18}\).
   \(\frac{113}{18}\cdot2.7=\frac{339}{20}\).
   \(4\frac{1}{3}:0.65=\frac{13}{3}:\frac{13}{20}=\frac{20}{3}\).
   \(\frac{339}{20}-\frac{20}{3}=\frac{617}{60}=10\frac{17}{60}\).
4. \(1\frac{11}{24}+\frac{13}{36}=\frac{131}{72}\).
   \(1.44=\frac{36}{25}\), поэтому \(\frac{131}{72}\cdot\frac{36}{25}=\frac{131}{50}\).
   \(0.5625=\frac{9}{16}\), поэтому \(\frac{8}{15}\cdot\frac{9}{16}=\frac{3}{10}\).
   \(\frac{131}{50}-\frac{3}{10}=\frac{58}{25}=2.32\).

Ответ: 1) 0,625; 2) 3 118 500; 3) 10 17/60; 4) 2,32.