Classical math game, use all 4 numbers and + - × / to make 24!

Two rules: (1) Don't cheat. (2) Click "DONE" when you want to quit.

Here is why (hint, for science). 2251835 puzzles have been solved since 2012-10-01.

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Top 20 players of the month (Beat the clock)
Rank Score Player
1 23154 2718
2 17469 2718
3 12001 MC
4 7540 2718
5 6515 Timothy Yau
6 5624 at
7 5127 at
8 3725 Gus
9 3124 Tom
10 3061 RC
11 2980 at
12 2487 Brett
13 2222 duff
14 2199 Meghan
15 2027 RC
16 1924 Little T
17 1886 Meghan
18 157 x
19 112 kevin
20 98 SCIENCE OLYMPIAD





    

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