Sum of (-12) + (12) + (-6) + (-5) + (-7) + (-10) is _____.
-28
+28
0
-10
(−12)+(12)+(−6)+(−5)+(−7)+(−10) =(−12)+(12)+(−28) =0−28 =−28
(−12)+(12)+(−6)+(−5)+(−7)+(−10) = ___
Find the sum
(1) 4 ⊕5 3
(2) 5 ⊕7 4
(3) (3 ⊕7 6) ⊕7 4
(4) (10 ⊕12 2) ⊕12 3