计算下面各题，能简算的要简算
7.65﹣0.65×6               9.43﹣1.68﹣4.32              1.25×0.76×0.8
0.32×7.5﹣0.32×4.5        3.8×10.1                    9.9÷[16.5﹣（1.7+3.8）]．