-60-24=? -45-55=? -302-(-200)=? помогите

Question

-60-24=? -45-55=? -302-(-200)=? помогите

Answer 1

-60-24=-84
-45-55=-100
-302-(-200)=-302+200=-102

Answer 2

-60-24 = -(60+24) = -84.
-45-55 = -(45+55) = -100.
-302-(-200) = -302+200 = -(302-200) = -102.