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natita [175]
3 years ago
9

1. Is -7+9=-9+7 true, false , or open?

Mathematics
2 answers:
jeka57 [31]3 years ago
8 0

1. Is B

2. Is C

3. Is C

4. Is A

Tju [1.3M]3 years ago
6 0

1. false

2. idk

3. its C

4. idk

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