Question

3/7*(-2)/18*(-14)/21​

Answer 1

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$= \frac{3}{7} \times \frac{ - 2}{18} \times \frac{ - 14}{21}$

$= \frac{3}{7} \times \frac{ - 1}{9} \times \frac{ - 2}{3}$

$= \frac{1 \times - 1 \times - 2}{7 \times 9 \times 1}$

$= \frac{2}{63}$

Answer 2

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=

7

3

×

18

−2

×

21

−14

= \frac{3}{7} \times \frac{ - 1}{9} \times \frac{ - 2}{3}=

7

3

×

9

−1

×

3

−2

= \frac{1 \times - 1 \times - 2}{7 \times 9 \times 1}=

7×9×1

1×−1×−2

= \frac{2}{63}=

63

2