Calculate the number 283

NUMBERMANIA: Calculate the number 283 using numbers [5, 2, 8, 3, 58, 166] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
0
Points: 
10

What hides this stereogram?

What hides this stereogram?
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Correct Answers: 
66
Points: 
1

Calculate the number 473

NUMBERMANIA: Calculate the number 473 using numbers [7, 7, 3, 9, 41, 223] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
0
Points: 
10

Calculate the number 714

NUMBERMANIA: Calculate the number 714 using numbers [4, 6, 6, 9, 48, 438] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
1
Points: 
10

What is the father doing now?

The mother is 21 years older than the son, and in 6 years time she will be 5 times as old as the son. What is the father doing now?
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Correct Answers: 
1
Points: 
10
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