简便计算 (1)(45.9-32.7)÷8÷0.125 (2)9.6÷0.8÷0.4 (3)8.5
简便计算
(1)(45.9-32.7)÷8÷0.125
(2)9.6÷0.8÷0.4
(3)8.54×7.2÷0.854
(4)125÷（2.5×0.25)