( 37-2 , 18+2 ) (46+2 , 32-2 )
35 + 20 = 55 48 + 30 = 78
B) 45 + 19 =64 J) 84 + 12 = 96
( 45-1 , 19+1 ) ( 84 + 2 , 32 - 2 )
44 + 20 = 64
K) 33 + 32 = 65
C) 24 + 17 = 41 (33 -3 , 32 + 2 )
( 24-3 , 17+3 ) 30 + 35 = 65
21 + 20 = 41
L) 46 + 48 = 94
D) 71 + 27 = 98 ( 46 - 2 , 48 + 2 )
( 71-1 , 27+1 ) 44 + 50 = 94
70 + 28 = 98
M) 62 + 34 = 96
E) 82 + 14 = 96 (62 - 2 , 34 + 2 )
( 82-2 , 14+2 ) 60 + 36 = 96
80 + 16 = 96
N) 46 + 23 = 69
F) 37 + 38 = 75 (46 + 3 , 23 - 3 )
( 37-2 , 38+2 ) 49 + 20 = 69
39 + 40 = 75
O) 53 + 16 = 69
G) 42 + 54 = 96 ( 53 - 3 , 16 + 3 )
( 42-2 , 54+2 ) 50 + 19 = 69
40 + 56 = 96
H) 69 + 23 = 92
(69+1 , 23-1 )
70 + 22 = 92