Which is a winning combination of digits?

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.
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Correct Answers: 
4
Points: 
7

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.
Category: 
Correct Answers: 
0
Points: 
10

Calculate the number 290

NUMBERMANIA: Calculate the number 290 using numbers [3, 5, 6, 4, 20, 320] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
3
Points: 
8

Calculate the number 3144

NUMBERMANIA: Calculate the number 3144 using numbers [9, 7, 2, 6, 55, 176] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
0
Points: 
10

Calculate 123+456+789

FUNNY MATH: Calculate 123+456+789 :)
Category: 
Correct Answers: 
17
Points: 
1
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