Mathematics
Mathematics, 20.02.2020 10:10, Piglets1228

Is -7+9=-9+7 true, false, open?

A. True
B. False
C. Open

answer
Answers: 2
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Do you know the correct answer?
Is -7+9=-9+7 true, false, open?

A. True
B. False
C. Open...

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