负919191分之373737 - (负9191分之3737)=?

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负919191分之373737 - (负9191分之3737)=?
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负919191分之373737 - (负9191分之3737)=?
负919191分之373737 - (负9191分之3737)=?

负919191分之373737 - (负9191分之3737)=?
373737 37*10101 37
--------- = ------------- = ------
919191 91*10101 91
3737 37*101 37
------- = --------- = ------
9191 91*101 91
所以
负919191分之373737 - (负9191分之3737)=9191分之3737-919191分之373737
=(37/91)-(37/91)=0