What is hidden in 3D image?

Stereogram - 3D Image
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Correct Answers: 
158
Points: 
1

Calculate the number 5604

NUMBERMANIA: Calculate the number 5604 using numbers [2, 4, 6, 8, 37, 664] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
1
Points: 
10

Solve the magic square and find the product AxBxCxDxE

Solve the magic square and find the product AxBxCxDxE
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Correct Answers: 
7
Points: 
4

Calculate the number 5297

NUMBERMANIA: Calculate the number 5297 using numbers [2, 7, 2, 9, 50, 808] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
1
Points: 
10

What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Category: 
Correct Answers: 
0
Points: 
10
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