Ответ:

  1. \((44.96+28.84:(13.7-10.9)):1.8=(44.96+28.84:2.8):1.8=(44.96+10.3):1.8=55.26:1.8=30.7\).
  2. \(102.816:(3.2\cdot6.3)+3.84=102.816:20.16+3.84=5.1+3.84=8.94\).

Ответ: а) 30,7; б) 8,94.