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Being multiply or divide.

Then

    • = +
    • = -
    • = -
    • = +

If a number does not have a sign in front of it, then treat it as positive.

e.g.

4 x 5 = 20

-4 x 5 = -20

4 x - 5 = -20

-4 x -5 = (+)20

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lenpollock

Lvl 16
2y ago

What else can I help you with?