Question

3
9


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Answer 1

$- 2 \frac{2}{3} \div ( - 1 \frac{7}{9} ) = \frac{8}{3} \div \frac{16}{9} = \\ \frac{8 \times 9}{3 \times 16} = \frac{3}{2} = 1 \frac{1}{2}$