Question

A)7-(-6)-(-8) B)-8+(-6)-(+3) C)5-6-(+17)+1 D)-28+7+(+12)+(-1)-6 E)-11-7-6-(-15)-2-(10)

Answer 1

Resposta:

a) +21

7+6+8

7

+6

----

13

+ 8

-------

+ 21

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b) -17

-8-6-3

8

+ 6

--------

+ 14

3

---------

- 17

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c) -17

+5-6-17+1

17

+ 6

------

-23

5

+ 1

-----

+6

-23

+6

--------

- 17

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d) -36

-28+7+12-1-6

28

+ 1

------

29

+ 6

--------

- 45

12

+ 7

--------

+9

-45

+ 9

-------

-36