Question

Evaluate [12+9]÷[-9÷3] a


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Answer 1

Answer:

$(12 + 9) \div \frac{-9}{ 3}$

$21 \times - \frac{3}{9} = - \frac{21}{3} = - 7$

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Answer 2

Answer:

(12+9)/(-9/3)

=21/(-3)

=-7

-7 is the answer.

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