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[tex](2 \frac{2}{3} + 1 \frac{5}{6} ) \div 1 \frac{1}{2} = ( \frac{8}{3} + \frac{11}{6} ) \div \frac{3}{2} = \frac{27}{6} \div \frac{3}{2} = \frac{27}{6} \times \frac{2}{3} = \frac{9}{3} = 3[/tex]