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．
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．
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