A)
-
( - 7 ) + ( - 4 ) = - 7 - 4 = - 11
-
( + 16 ) + ( - 9 ) =
-
( - 17 ) + ( - 9 ) =
-
( - 11 ) + ( + 19 ) =
-
( + 6 ) + ( - 9 ) =
-
( + 16 ) + ( - 29 ) =
-
( - 6 ) + ( + 9 ) =
-
( - 6 ) + ( - 19 ) =
-
( - 23 ) + ( - 26 ) =
|
B)
-
( - 7 ) + ( - 9 ) =
-
( + 13 ) + ( + 9 ) =
-
( - 17 ) + ( - 19 ) =
-
( - 21 ) + ( - 19 ) =
-
( + 6 ) + ( - 14 ) =
-
( + 16 ) + ( - 24 ) =
-
( - 6 ) + ( - 29 ) =
-
( - 23 ) + ( + 23 ) =
-
( - 26 ) + ( - 19 ) =
|