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Maths tricks


Arithmetic Trick

  • Think of any 2-digit number.
  • Subtract from the number the sum of its digits.
  • Find the result in the table below.
  • Look at the corresponding image for a few seconds.
  • When ready, press the CHECK button.
  • To start again, press the RESET button.

81
31
90
91
49
55
15
27
92
84
56
14
51
8777
64
46
29
88
75
95
13
43
68
59
4
6958
72
61
44
8
30
1
66
76
40
85
78
73
28
21
54
82
11
53
32
5
6
24
96
70
57
42
22
67
86
79
89
62
39
33
47
80
35
38
63
2
19
65
34
83
18
41
52
12
25
16
10
36
9
94
23
45
37
20
3
71
48
26
74
7
93
17
60
50