C)
-
( - 7 ) + ( - 14 ) =
-
( + 16 ) + ( - 23 ) =
-
( - 17 ) + ( + 16 ) =
-
( - 21 ) + ( - 19 ) =
-
( + 62 ) + ( - 92 ) =
-
( + 12 ) + ( - 7 ) =
-
( - 16 ) + ( + 29 ) =
-
( - 3 ) + ( - 14 ) =
-
( - 22 ) + ( - 22 ) =
|
D)
-
( - 5 ) + ( - 9 ) =
-
( + 3 ) + ( - 9 ) =
-
( - 7 ) + ( + 19 ) =
-
( - 21 ) + ( - 29 ) =
-
( + 60 ) + ( - 74 ) =
-
( + 26 ) + ( - 24 ) =
-
( - 6 ) + ( - 6 ) =
-
( - 13 ) + ( + 23 ) =
-
( - 27 ) + ( - 17 ) =
|