23.24除以2.8-7.5乘以0.8怎么用简便算法?
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23.24除以2.8-7.5乘以0.8怎么用简便算法?
![23.24除以2.8-7.5乘以0.8怎么用简便算法?](/uploads/image/z/8752356-36-6.jpg?t=23.24%E9%99%A4%E4%BB%A52.8-7.5%E4%B9%98%E4%BB%A50.8%E6%80%8E%E4%B9%88%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%3F)
23.24除以2.8-7.5乘以0.8
=23.24/2.8-6
=(23.24-6*2.8)/2.8
=(23.24-16.8)/2.8
=6.44/2.8
=2.3
=23.24/2.8-6
=(23.24-6*2.8)/2.8
=(23.24-16.8)/2.8
=6.44/2.8
=2.3