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← All games
How to play
⛶ Fullscreen
Function Machine
Feed a number in — a hidden rule changes it
Score
0
Streak
0
New
Find the output
Find the rule
Easy
Medium
Hard
IN
12
→
⚙️
f(x)
→
OUT
?
The machine did this:
9
→
18
3
→
6
6
→
12
If we put in
12
, what comes out?
Check