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Fast Math - Subtraction Quiz in 40 Seconds

In 40 seconds, which is 2 seconds per answer, try to beat the clock by answering these randomly-generated subtraction problems in your head.
Also try Photop's two-minute version with points
This quiz changes every time you play!
Quiz by Jerry928
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Last updated: April 13, 2023
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First submittedApril 13, 2023
Times taken723
Average score60.0%
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problem
answer
80 - 78
2
69 - 34
35
79 - 11
68
7 - 6
1
17 - 11
6
problem
answer
75 - 28
47
81 - 37
44
71 - 31
40
48 - 42
6
37 - 13
24
problem
answer
66 - 28
38
84 - 7
77
80 - 7
73
47 - 45
2
31 - 18
13
problem
answer
84 - 51
33
44 - 21
23
93 - 15
78
97 - 54
43
27 - 14
13
1 Comments
Dimby
+1
Level 77
Apr 13, 2023
Still pretty easy in a minute. I reckon I can do it in 30 seconds... I'll be back...
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