A)
-
( - 7 ) - ( - 4 ) = -7 + 4 = -3
-
( + 16 ) + ( - 19 ) =
-
( - 17 ) - ( + 13 ) =
-
( - 11 ) + ( - 21 ) =
-
( + 6 ) - ( - 8 ) =
-
( - 16 ) + ( + 29 ) =
-
( - 16 ) - ( - 9 ) =
-
( - 6 ) + ( - 26 ) =
-
( - 23 ) - ( + 27 ) =
|
B)
-
( - 17 ) - ( + 9 ) =
-
( + 3 ) + ( - 9 ) =
-
( - 11 ) - ( + 19 ) =
-
( - 22 ) + ( - 32 ) =
-
( + 12 ) - ( + 14 ) =
-
( + 16 ) + ( - 24 ) =
-
( - 16 ) - ( + 29 ) =
-
( - 23 ) + ( - 23 ) =
-
( - 26 ) - ( - 14 ) =
|