quick math subtraction

do the subtraction
Quiz by jonboy316
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Last updated: June 8, 2014
First submittedJune 8, 2014
Times taken1,323
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Hint
Answer
10-4-2=
4
20-15=
5
39-19=
20
66-55=
11
64-18=
46
Hint
Answer
10-8=
2
20-19=
1
99-33=
66
66-54=
12
39-13=
26
Hint
Answer
24-12=
12
99-84=
15
200-180=
20
300-150=
150
23-9=
14
+1
Level 15
Apr 25, 2017
i only had 5 sec that was close