Ответ:

  1. \(0.48:(1.2\cdot0.8)=0.48:0.96=0.5\);
  2. \((3.5+2.7)\cdot0.6-1.8=6.2\cdot0.6-1.8=3.72-1.8=1.92\).

Ответ: 0,5; 1,92.