-(2/1-3/1)的相反数是

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-(2/1-3/1)的相反数是-(2/1-3/1)的相反数是-(2/1-3/1)的相反数是解析-(1/2-1/3)=-1/6相反数是1/6-(2/1-3/1)的相反数是2/1-3/1=6/1-(2/1

-(2/1-3/1)的相反数是
-(2/1-3/1)的相反数是

-(2/1-3/1)的相反数是
解析
-(1/2-1/3)=-1/6
相反数是1/6

-(2/1-3/1)的相反数是2/1-3/1=6/1

-(2/1-3/1)=-6/1
-(2/1-3/1)的相反数是6分之1