77.8k views
5 votes
If 9+10=21 what is 21-9 ?

User Neil Foley
by
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2 Answers

2 votes
loll vines hehehehehehehe
User Matthew Wetmore
by
7.0k points
6 votes

Answer:

12

Explanation:

21-9=12

User Nathan Gouy
by
6.7k points
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