选择最适合的方法，写出递等式计算的过程
39.6﹣6.53+3.47．       0.0125×32×0.25．      [90﹣（8.25÷0.6+1.25）]×0.01．
38×2.5+76+38×5.5．    3.6×31.4+43.9×6.4．    5.7×5.7+5.7×4.2+5.7×0.1．