Question

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(2-1 целая 7/12) : (3/8-1/6) • 3 целых 1/4

Answer 1

$(2 - \frac{7}{12} ) \div \frac{5}{24} \times 3 \frac{1}{4} = \frac{17}{12} \times \frac{24}{5} \times 3 \frac{1}{4} = 17 \times \frac{2}{5} \times 3 \times \frac{1}{2} = 17 \times \frac{1}{5} \times 3 \times \frac{1}{2} = \frac{51}{10} = 5 \frac{1}{10 } = 5.1$