Mystery Masters
Missing Numbers
What's the Number?
Secret Digits
Find the Number
100
7 + __ = 23
What is 16
100
6 + __ = 30
What is 24
100
35 - __ = 20
What is 15
100
11 + __ = 20
What is 9.
100

 ____ + 18 = 25 

What is 7 .

200

20 - __ = 10

What is 10.

200

30 - __ = 10

What is 20

200
33 + __ = 73
What is 40.
200
42 - __ = 1
What is 41.
200
13 + __ = 25
What is 12.
300
12 + __ = 26 - 13
What is 1.
300
13 + __ = 41 + 3
What is 31.
300

13 - 10 = 24 - __



What is 21

300
41 - __ = 23 + 4
What is 14
300
12 - 1 = 14 - __
What is 3
400

29 -__ = 23 + 1

What is 5

400
8 + 5 = 2 + __
What is 11
400

30 + __ = 44 - 4

What is 10

400

____ - 15 = 25 

What is 40

400
14 + 7 = 20 + __
What is 1.
500

____ - 22 = 47 

What is 69

500
33 - 9 = 20 + __
What is 4
500
99 - 10 = 80 + __
What is 9
500
53 - 15 = 40 - __
What is 2
500
63 - 20 = 10 + __
What is 33
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