-(-3又5/6-1又1/3)-(5又1/3-1又1/6)这道题怎么做!如题:

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-(-3又5/6-1又1/3)-(5又1/3-1又1/6)这道题怎么做!如题:

-(-3又5/6-1又1/3)-(5又1/3-1又1/6)这道题怎么做!如题:
-(-3又5/6-1又1/3)-(5又1/3-1又1/6)这道题怎么做!
如题:

-(-3又5/6-1又1/3)-(5又1/3-1又1/6)这道题怎么做!如题:
=-(-23/6-4/3)-(16/3-7/6)
=-(-23/6-8/6)-(32/6-7/6)
=-31/6-25/6
=-56/6
=-28/3