解:简便方法如下8.05×1.25×0.8=8.05×(1.25×0.8)=8.05×1=8.05
8.05×1.25×0.8=8.05×(1.25×0.8)=8.05×1=8.05
先算1.25×0.81.25乘以0.8=11×8点05=8点05
8.75÷12.5×0.8=0.7×0.8=0.56
楼下正解!!!!