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sergey [27]
3 years ago
14

What is 9 +10 = -2-9 =

History
2 answers:
Harlamova29_29 [7]3 years ago
7 0

Answer:

19 = -11

Explanation:

Add  

9  and  10

19  =  − 2  −  9

Subtract  

9  from  − 2  

19  =  − 11

Tema [17]3 years ago
5 0

Answer:

19

-7

Explanation:

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