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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.

51
37
58
31
13
7255
86
87
97
48
993
56
77
4568
49
42
7
53
2
19
15
64
5
12
28
94
20
44
30
85
25
80
43
1889
52
83
41
24
57
274
79
92
16
22
5426
3
14
78
62
82
11
47
906
35
98
1
95
67
23
17
69
40
34
4629
8166
10
59
70
61
96
32
3671
73
38
39
33
60
91
21
88
8
74
84
6350
65
76
75