9.625除以2又3/2-4又8/5*8/3

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9.625除以2又3/2-4又8/5*8/39.625除以2又3/2-4又8/5*8/39.625除以2又3/2-4又8/5*8/39.625除以2又3/2-4又8/5*8/3=73/8除以7/2-2

9.625除以2又3/2-4又8/5*8/3
9.625除以2又3/2-4又8/5*8/3

9.625除以2又3/2-4又8/5*8/3
9.625除以2又3/2-4又8/5*8/3
=73/8除以7/2-28/5*8/3
=73/28-224/15
=（1095-6272）/420
=-5177/420
=-12又137/420

9.625除以2又3/2-4又8/5*8/3
=77/8除以7/2-28/5*8/3
=11/4-224/15
=165/60-896/60
=-731/60