yacinquire yacinquire

04-05-2022
Mathematics

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Find the indicated sum or difference 9-12:
9. 5+7
10. 7+(-9)
11. -5+20
12. -(-11)-7

Respuesta :

quitta74 quitta74

04-05-2022

Answer:

7,-2,15,4

Step-by-step explanation:

9. 7

10. -2

11. 15

12. 4

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