513. а) 24+(-50)=-(50-24)=-36
б)-26+(-53)=-(26+53)=-79
в) -40+(-29)=-(40+29)=-69
г) -92+17=-(92-17)=-75
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513. а) 24+(-50)=-(50-24)=-36
б)-26+(-53)=-(26+53)=-79
в) -40+(-29)=-(40+29)=-69
г) -92+17=-(92-17)=-75