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0 votes
9+10=
????????????????????????????????????

2 Answers

2 votes

Answer: 21

Explanation:

User Erloewe
by
6.3k points
2 votes

Answer:

19

Explanation:

9 + 10 = (1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1) + (1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1)
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 19

User Hoan
by
6.7k points