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16 questions
9+9=
23
18
14
9
13 - 8 =
4
5
12
2
15 - 9 =
7
6
8
9
81+18=
99
90
88
77
76 + 44 =
120
110
121
122
92 - 89 = ________
3
7
181
17
76 - 28 = ________
47
104
48
52
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