【给好评】2013乘以3/8-0.375乘以1952+3.75乘以1.9的简便计算
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![【给好评】2013乘以3/8-0.375乘以1952+3.75乘以1.9的简便计算](/uploads/image/z/201212-44-2.jpg?t=%E3%80%90%E7%BB%99%E5%A5%BD%E8%AF%84%E3%80%912013%E4%B9%98%E4%BB%A53%2F8-0.375%E4%B9%98%E4%BB%A51952%2B3.75%E4%B9%98%E4%BB%A51.9%E7%9A%84%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
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【给好评】2013乘以3/8-0.375乘以1952+3.75乘以1.9的简便计算
【给好评】2013乘以3/8-0.375乘以1952+3.75乘以1.9的简便计算
【给好评】2013乘以3/8-0.375乘以1952+3.75乘以1.9的简便计算
2013乘以3/8-0.375乘以1952+3.75乘以1.9
=2013×0.375-0.375×1952+19×0.375
=(2013-1952+19)×0.375
=80×3/8
=30