Answer:
addition
same sign
1 positive and positive
2 negative and negative
Different sign
1 positive and negative
2 negative and positive
(+) + (+) = +
(-) + (-) = +
(-) + (+) = -
(+) + (-) = -
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Answers & Comments
Answer:
addition
same sign
1 positive and positive
2 negative and negative
Different sign
1 positive and negative
2 negative and positive
Answer:
(+) + (+) = +
(-) + (-) = +
(-) + (+) = -
(+) + (-) = -