Find the right 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.
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Correct Answers: 
10
Points: 
2

Calculate the number 175

Calculate the number 175 using numbers [4, 4, 6, 5, 20, 100] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
12
Points: 
1

Solve this math problem

FUNNY MATH: Solve this math problem (Author: Jasmina Atarac:)
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Correct Answers: 
9
Points: 
3

Calculate the number 1309

NUMBERMANIA: Calculate the number 1309 using numbers [5, 3, 5, 6, 81, 730] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10
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