13
15
16
17
6 + 7 =
12
13
14
15
4 + 7 =
12
14
11
13
5
+ 8 = 11
13
12
14
8 + 7 =
14
16
15
17
6 + 9 =
15
12
14
17
9 + 8 =
14
16
15
17
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11
13
12
14
8 + 7 =
14
16
15
17
6 + 9 =
15
12
14
17
9 + 8 =
14
16
15
17
11 - 9
12 - 8
13 - 6
12 - 7
14 - 8
15 - 8
11 - 7
12 - 6
84
75
74
48 + 15 =
64
53
63
73 + 19 =
93
92
82
37 + 57 =
94
85
84
64 + 27=
92
81
91
36 + 28=
64
53
54
16 + 15 =
29
21
31
52 + 29 =
81
71
82
37 + 48 =
76
75
85
38 + 26
27 + 47
46 + 27
34 + 49
25 + 47
27 + 28
27 + 27
15 + 37
48 + 45
26 + 47
59 + 24
18 + 27
23 + 28
17 + 38
+
46 + 28 =
+
15 + 58 =
65 + 9 =
+
79 + 5 =
25 + 59 =
35 + 39 =
+
39 + 45 =
18 + 56 =
+
16 + 36
14 + 28
27 + 15
28 + 24
29 + 3
39 + 3
28+ 25
9 + 44
27 + 36
15 +49
47 + 6
36 + 18
26 + 45
33 + 28
57 + 4
19 + 44
48 + 12
39 + 22
(36 + 15) + 36 =
(36 + 15) + 15 =
88
86
87
77
60 – 37 =
60 + 37 =
(60 – 37) + 37 =
(60 + 37) + 60=
(60+37) + 37 =
33
32
24
23
50 – 19 =
50 + 19 =
(50 – 19) + 50 =
(50 + 19) + 50 =
(50 - 19) + 19 =
71
81
83
79
37 - 15=
15 + 37 =
(37 - 15) + 37 =
(15 + 37) + 37=
(37 - 15) + 15 =
53
52
42
63