Respuesta :

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Answer:

1. 2(-6)-10+10= (-12)

3. (4)(-1)=(-4)

5. 10+(-1)=9

7. 2²-7+7=2²=4

9. (-7)²-2²=49-4=45

11. 6(-10)+(-10)+5=(-70)+5=(-65)

13. (-4)²+(-1)²+2=16+1+2=19

15. Cant tell what r is

Step-by-step explanation:

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