3 years ago

In algebra (grade 7) :-

Mathematics

2 answers:

GalinKa [24]3 years ago

6 0

Step-by-step explanation:

+ and - make( -)

+ and + make(+)

- and + make(-)

- and - make (+)

Gnom [1K]3 years ago

3 0

1) -
2) +
3) -
4) +

Whenever the signs are opposite, it’s negative. Whenever signs are same, it’s positive.

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