[(6.1一4.6)x0.8一1]x0.36＝早橘［1.5×0.8-1］×0.36＝轮银［陆桐团1.2-1］×0.36＝0.2×0.36＝0.072
这道题一步一步计算就好了。亏弯不算难帆散。已经算是简单的了。6.1-4.6=1.51.5*0.8=1.21.2-1=0.20.2*0.36=0.072答案态空氏就是0.072
