Question

1. Fill in the blanks.
(a) 1 + (-1) + (-1) + 1 + 1 + (-1) =




​

Answer 1

Answer:

1 - 1 - 1 + 1 + 1 - 1

= 3-3

= 0

Step-by-step explanation:

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Answer 2

Answer:

0 is the answer

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