计算下列各题,能简算的要简算。(50﹣40×1.2)÷0.58×4×125×2532×71.1+28.9×32
(3.2+3.2+3.2+3.2) ×2.5
+-
3600÷45×90
(2.5-2.5×0.6)÷0.4
0.5÷[一(一)]