Question

Resuelvan
las siguientes sumas y restas
eliminando previamente
los parentesis.
1.(+7)+(+3)
2.(+5)+(-2)
3.(+4)+(-7)
4.(+2)+(-8)
5.(-8)+(+15)
6.(-12)+(+4)
7.(-7) - (+4)
8.(-5) - (+5)
9.(-6) - (-10)
10.(-3) - (-11)
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Answer 1

Respuesta:

1. (+7)+(+3) = 10

2. (+5)+(-2) = 3

3. (+4)+(-7) = -3

4. (+2)+(-8) = -6

5. (-8)+(+15) = 7

6. (-12)+(+4) = -8

7. (-7) - (+4) = -11

8. (-5) - (+5) = -10

9. (-6) - (-10) = 4

10. (-3) - (-11) = 8

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