用你喜欢的方法计算．
0.6+0.94﹣0.208             4.85×1.25×8            （64﹣22.4÷1.4）×1.2
18.3﹣6.25﹣3.75            2.8×3.6+1.4×2.8         6.6÷〔14.5﹣（1.7+1.8）〕