二道简算题怎么做81.23-40.5/0.81*1.075=?36.47*109-0.9*364.7=?
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![二道简算题怎么做81.23-40.5/0.81*1.075=?36.47*109-0.9*364.7=?](/uploads/image/z/596411-35-1.jpg?t=%E4%BA%8C%E9%81%93%E7%AE%80%E7%AE%97%E9%A2%98%E6%80%8E%E4%B9%88%E5%81%9A81.23-40.5%2F0.81%2A1.075%3D%3F36.47%2A109-0.9%2A364.7%3D%3F)
二道简算题怎么做81.23-40.5/0.81*1.075=?36.47*109-0.9*364.7=?
二道简算题怎么做
81.23-40.5/0.81*1.075=?
36.47*109-0.9*364.7=?
二道简算题怎么做81.23-40.5/0.81*1.075=?36.47*109-0.9*364.7=?
81.23-(40.5/0.81)*1.075=81.23-50*1.075= 27.48
36.47*109-0.9*364.7=36.47*109-9*36.47=36.47*(109-9)=3647
(1)81.23-(40.5/0.81)*1.075=81.23-50*1.075= 27.48
(2)36.47*109-9*36.47=36.47*(109-9)=3647