Odpowiedź :
Odpowiedź:
[tex]42+(-53)=42-53=-11\\\\-76-(-40)=-76+40=-36\\\\-8-(-16)=-8+16=8\\\\100-240=-140\\\\-28+11=-17\\\\-25+(-12)=-25-12=-37\\\\-19-36=-55\\\\42+(-30)=42-30=12\\\\-120+(-16)=-120-16=-136[/tex]
Odpowiedź:
[tex]42+(-53)=42-53=-11\\\\-76-(-40)=-76+40=-36\\\\-8-(-16)=-8+16=8\\\\100-240=-140\\\\-28+11=-17\\\\-25+(-12)=-25-12=-37\\\\-19-36=-55\\\\42+(-30)=42-30=12\\\\-120+(-16)=-120-16=-136[/tex]