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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 DesimtTukstanci
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Last updated: April 13, 2023
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First submittedApril 13, 2023
Times taken711
Average score60.0%
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problem
answer
87 - 9
78
62 - 7
55
93 - 51
42
99 - 72
27
92 - 79
13
16 - 7
9
76 - 6
70
61 - 34
27
22 - 9
13
61 - 7
54
40 - 28
12
17 - 5
12
50 - 25
25
72 - 63
9
54 - 23
31
50 - 6
44
56 - 55
1
40 - 12
28
97 - 5
92
84 - 41
43
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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