计算下面各题，能简算的必须简算．
9.5×1.06﹣2.52÷2.4           6.25÷1.25÷0.8              2.5×（3.5﹣1.65）×0.4     
27.2÷（3.2+23×0.6）          68.5+31.5÷（0.29+0.41）     3.82×（2.8﹣1.3）﹣1.82×1.5．