Question

(+)×(-)=?
(-)×(-)=?
(+)×(+)=?​

Answer 1

Answer:

The answer will be, as following.

1.-

2.+

3.+

Answer 2

Answer:

$( + ) \times ( - ) = ( - ) \\ ( - ) \times ( - ) = ( + ) \\ ( + ) \times ( + ) = ( + )$

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