Question

Fill in the blank.
1. We always get ______integer when we add two negative integers.
2. The______of any integer (-a) is a.
3. For any integer,a+0=_____
4. For any three integers (a×b)×c=_____.

Answer 1

Answer:

1. negatives

2.................dont know

3.= a

4.abc

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Answer 2

Answer:

1. negative

2. additive invert

3. a

4.

$a \times (b \times c)$