9.625除以2又3/2-4又8/3*8/3

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9.625除以2又3/2-4又8/3*8/39.625除以2又3/2-4又8/3*8/39.625除以2又3/2-4又8/3*8/39.625/(7/2)-20/3*8/3=73/8*2/7-160/

9.625除以2又3/2-4又8/3*8/3
9.625除以2又3/2-4又8/3*8/3

9.625除以2又3/2-4又8/3*8/3
9.625/(7/2)-20/3*8/3
=73/8*2/7-160/9
=73/28-160/9
=(657-4480)/252
=3823/252
=15又43/252

自己算吧