a) ( 6 + 9 ) - ( 4 -
7 ) =
b) 13 - ( 17 - 19 ) = c) 17 - ( 3 - 22 ) = d) - 6 + ( 8 - 14 ) = e) - 7 + 8 - ( 12 + 9 ) = f) ( 6 - 7 ) - ( 4 - 9 ) = g) - 13 - ( 17 - 12 ) = h) 17 - ( 13 - 22 ) = i) 6 + ( 8 - 16 ) = j) (7 - 8) - ( 9 - 12 ) = |
18
15 36 -12 -20 4 -18 26 -7 2 |
a) ( 6 - 13 ) + ( 4 -
7 ) =
b) ( 7 - 19 ) - 29 = c) 17 - ( 3 - 18 ) + 4 = d) - 6 + ( 18 - 14 ) - 11 = e) - ( 7 + 8) - ( 12 + 9 ) = f) ( 6 - 8 ) + 3 - ( 4 - 9 ) = g) (17 - 13) - ( 17 - 12 ) = h) - 17 + ( 13 - 22 ) = i) 6 - ( 8 - 16 ) = j) (7 - 8) + ( 9 - 12 ) = |
-10
-41 36 -13 -36 6 -1 -26 14 -4 |
a) ( 6 - 12 ) + ( 9 -
7 ) =
b) ( 7 - 19 ) - 29 + 11 = c) - ( 3 - 18 ) + ( 4 - 17) = d) - 16 + ( 8 - 14 ) - 11 = e) - 7 + 8 - ( 12 + 9 ) = f) ( 6 - 8 ) + ( 3 - 7 ) - ( 4 - 9 ) = g) (11 - 13) - ( 17 - 22 ) = h) - 17 + ( 17 - 22 ) + 3 = i) (1 - 6 ) - ( 8 - 16 ) = j) (17 - 8) - ( 19 - 12 ) = |
-4
-30 2 -33 20 -1 3 -19 3 2 |