-(5又2/3)-( 1/4) (-1/3) ( 5)-(-1又1/4)

问题描述:

-(5又2/3)-( 1/4) (-1/3) ( 5)-(-1又1/4)

原式
=-(5又3分之2+3分之1)-(4分之1-1又4分之1)
=-6+1
=-5


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