4.32*0.15-0.248的简便方法怎么做
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![4.32*0.15-0.248的简便方法怎么做](/uploads/image/z/637329-57-9.jpg?t=4.32%2A0.15-0.248%E7%9A%84%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E6%80%8E%E4%B9%88%E5%81%9A)
4.32*0.15-0.248的简便方法怎么做
4.32*0.15-0.248的简便方法怎么做
4.32*0.15-0.248的简便方法怎么做
4.32*0.15-0.248
=4*(1.08*0.15-0.062)
=4*2*(0.54*0.15-0.031)
=4*2*(0.9*0.6*0.15-0.031)
=4*2*(0.9*0.09-0.031)
=8*(0.081-0.031)
=8*0.05
=0.4