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2 votes
Help me!!

1. 6 + 7 = ...
2. 6 - 7 = ...
3. 6 - (-7) = ...
4. -6 - 7 = ...
5. -6 + (-7) = ...

please include the steps!! ​

User Pritam Kar
by
7.7k points

2 Answers

3 votes

Answer:

1. 6+7= 13

2. 6-7= -1

3. 6+7= 13. (- × - = +)

4. -6-7= -13

5. -6-7= -13. (+ × - = -)

User Romeo Mihalcea
by
6.9k points
3 votes

>> Answer

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\:

1.) 6 + 7 = (5 × 2) + (1 + 2) = 10 + 3 = 13

2.) 6 - 7 = (5 - 5) + (1 - 2) = 0 + (-1) = -1

3.) 6 - (-7) = 6 + 7 = (5 × 2) + (1 + 2) = 10 + 3 = 13

4.) -6 - 7 = (-6) + (-7) = -(6 + 7) = -13

5.) -6 + (-7) = -(6 + 7) = -13

User Arafangion
by
7.3k points