Rules of Positive and Negative Signs in Math

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Learn the rules of positive and negative numbers for multiplication,division,addition, and subtraction.
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BUT WHY! what is the logic behind this rule or do we just rote learn it without knowing basis of this?

vaibhavbhatia
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Thank you so much i really needed this 😄

AiltonSantos-knwm
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Thanks a lot
I’ve got a full mark in the math exam because of you😮😮😮

RahafAloudh
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I understand four apples. I cannot conceive of negative four apples.

johnking