18.96-3.3*1.2简便方法计算
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18.96-3.3*1.2简便方法计算
![18.96-3.3*1.2简便方法计算](/uploads/image/z/7976119-31-9.jpg?t=18.96-3.3%2A1.2%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97)
18.96-3.3*1.2
=18.96 - 11*0.3*0.3*4
=18.96 - 11* 0.36
=18.96 - 3.6 -0.36
=15
=18.96 - 11*0.3*0.3*4
=18.96 - 11* 0.36
=18.96 - 3.6 -0.36
=15