100 Door Codes Level 31 Walkthrough:
1. Look at the door to see that there are three math symbols from top to bottom: X, +, X.There are four numbers connected by a red line which is showing the order of the numbers.
To get the door code:
1st: 7 X 8 = 56
2nd: 8 + 9 = 17
3rd: 9 X 6 = 54
Put the numbers together to get the door code.
DOOR CODE: 561754
2. Proceed to the next 100 Door Codes level!
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