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[tex] \frac{3}{4} - \frac{5}{12 } \\ \frac{4}{5} \times \frac{15}{16} \\ 1 \times \frac{2}{3} \div \frac{15}{16} \\ \frac{(3) {}^{4} }{(5)} \div ( \frac{3}{5} )^{3} [/tex]