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20.07.2019 •
Mathematics
Negative 3 plus negative 17 minus negative 13
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Ответ:
Ответ:
-7
Step-by-step explanation:
(-3) + (-17) = (-20)
(-20) - (13) = (-7)
This is all because when adding a negative with a negative, it's like adding normally with positives but with a negative answer at the end. For example we would have (-3) + (-5). I would just add these normally (3 + 5)=8 and then add a negative at the end. Same sequence with subtracting.
Ответ:
I think its D???