What hides this stereogram?

Stereogram - 3D Image
Category: 
Correct Answers: 
81
Points: 
1

Calculate the number 5849

NUMBERMANIA: Calculate the number 5849 using numbers [2, 2, 8, 5, 66, 771] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

Calculate the number 3273

NUMBERMANIA: Calculate the number 3273 using numbers [7, 7, 1, 2, 76, 391] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

Calculate the number 345

NUMBERMANIA: Calculate the number 345 using numbers [5, 3, 2, 5, 15, 75] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
4
Points: 
8

Find the ratio of the areas of two squares

Find the ratio of the areas of two squares. Express result to the accuracy of 3 decimal.
Category: 
Correct Answers: 
14
Points: 
1
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