6.8除以31\8加0.32乘4.2减8除以25,
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![6.8除以31\8加0.32乘4.2减8除以25,](/uploads/image/z/25241-41-1.jpg?t=6.8%E9%99%A4%E4%BB%A531%5C8%E5%8A%A00.32%E4%B9%984.2%E5%87%8F8%E9%99%A4%E4%BB%A525%2C)
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6.8除以31\8加0.32乘4.2减8除以25,
6.8除以31\8加0.32乘4.2减8除以25,
6.8除以31\8加0.32乘4.2减8除以25,
=6.8×8/31+1.344-0.32
=272/155+1.024
=2又3875分之3018