tasks

71 + 11 = 82
1 + 0
65 - 21 = 44
28 + 12
69 + 75 = 144
14 + 18 = 32
96 - 47 = 40
72 + 11
71 - 57
19 + 72 = 71
72 - 63 = 9
40 - 71 = -31
46 + 83 = 129
80 + 69 = 149
15 - 69
87 + 87 = 174
24 + 80 = 104
53 + 27
89 - 89 = 0
14 + 16 = 30
11 + 89
20 + 63 = 83
64 + 87 = 151
66 - 68 = -2
41 - 69 = -28
89 - 95
43 - 47 = -4
92 - 20 = 72
99 - 61 = 38
77 - 18 = 59
78 + 50 = 128
71 + 23 = 94
53 - 37
92 + 34
70 + 26 = 96
10 - 84 = -74
13 - 45 = 
58 - 39 = 19
73 - 45 = 28
38 + 69 = 107
56 - 65 = -9
33 + 18 = 51
57 + 23 = 80
13 - 91 = -78
21 - 67 = -46
51 + 88 = 139
47 + 666
40 + 10 = 50
61 + 23
60 + 11 = 71
76 + 85 = 161
63 - 87 = -24
88 + 10 = 98
23 - 88
61 - 19
15 + 50 = 65
19 - 41 = -22
27 - 37 = -10
16 - 61
47 + 44 = 91
68 - 19
77 - 10 = 67
11 - 46 = -35
11 - 40
100 - 0 = 0
48 + 41 = 89
85 - 83 = 2
15 - 38 = -23
85 - 85 = 0