Answer:
56
Step-by-step explanation:
2 times 56 is the same as 56+56.
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Answer:

Step-by-step explanation:

-8 + -7 + -5 + -3 + 3 + 5 + 7 + 8
_______________________
8
0
___
8
your answer is 0!
You could draw a parallelogram.