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Let's write the exercise as a multiplication of fractions:
Note that in the first fraction we are dividing between two negative numbers, therefore the result must be a positive number.
Note that in the second fraction we are dividing between a positive number and a negative number, therefore the result must be a negative number.
Therefore:
Let's break down 81 into a multiplication exercise and 6 into a multiplication exercise:
Let's reduce the 27 and the 2 in the numerator and denominator of the fraction and we get:
Note that we are multiplying between a positive number and a negative number, therefore the result must be a negative number:
What will be the sign of the result of the next exercise?
\( (-2)\cdot(-4)= \)
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