Maths is awesome

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Quiz by theflash5742
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Last updated: September 10, 2016
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First submittedSeptember 10, 2016
Times taken88
Average score60.0%
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Hint
Answer
9+10(vine)
21
1+1(little kids
Window
1+1
2
Hint
Answer
21-9(vine)
10
0/0(reversability)
21
+1
Level 72
Sep 10, 2016
As a former math professor, I don't get it. I tried indeterminate for 0/0. There must be a system in which your answers make sense, but I don't see it.
+1
Level 16
Sep 11, 2016
if u use that strategy it can be anything
+1
Level 16
Jan 4, 2017
if you use reversibility then the answer is somethingx0=0 so it could be anything