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3 votes
My son is having trouble with this problem he (6) can you tell him the answer 9+10

User Emilles
by
7.6k points

1 Answer

4 votes

Answer:

19

Explanation:

111111111

+

1111111111

count how many 1ns are there.

ans is 19

User Mswientek
by
8.3k points

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