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Enter PIN:
Adding 2 digits with 2 digits numbers without carrying.
1
13 + 25 =?
38
28
37
39
69% got this right
2
34 + 23 = ?
40 —
57
— 70
73% got this right
3
41 + 35 = ?
76
89% got this right
4
62 + 14 = ?
76
75
78
86
77% got this right
5
32 + 17 = ?
31 —
49
— 61
78% got this right
6
72 + 16=?
88
94% got this right
7
43 + 27 = ?
70
60
65
80
68% got this right
8
54 + 31=?
85
80
84
86
86% got this right
9
63 + 32=?
75 —
95
— 110
86% got this right
10
46 + 13=?
59
