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What is the sum of 9+10 (;

What is the sum of 9+10 (;
asked 199k views
4 votes
What is the sum of 9+10 (;

asked
User Ekstrakt
by
7.1k points

1 Answer

2 votes

Answer:

19 or 21.

Explanation:

I swear.

5 + 5 = 10

10 + 5 = 15

15 + 4 = 19

________________

9 + 9 = 18

18 + 10 = 28

28 - 5 = 23

There are two nines so

23 - 2 = 21

answered
User Elletlar
by
7.8k points
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