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nadezda [96]
3 years ago
15

What 9+10 don't say 21

Mathematics
2 answers:
Yanka [14]3 years ago
6 0

Answer:

19

Step-by-step explanation:

It's 19

just add 9 to 10

torisob [31]3 years ago
5 0
19


Hope this helped!!!
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