
5.6除以3.5加4.7=6.34.6除以(2.3乘0.4)=50.125乘9.6=1.27.5乘中括号63.9除以(7-2.5)中括号=106.55.5乘8+4.5除以0.25=6226.19+0.91除以0.91除以(3.6-2.9)=27.49

5.6除以3.5加4.7=6.34.6除以(2.3乘0.4)=50.125乘9.6=1.27.5乘中括号63.9除以(7-2.5)中括号=106.55.5乘8+4.5除以0.25=6226.19+0.91除以0.91除以(3.6-2.9)=27.49