Question

помогите, даю 20 баллов!!!!!

Answer 1

$\frac{17 \times 48}{17 \times 16 - 9 \times 16} = \frac{17 \times 48}{16(17 - 9) } = \frac{17 \times 3}{8} = \frac{51}{8} = 6 \frac{3}{8}$

$\frac{14 \times 5 - 14 \times 3}{21 \times 9 + 21 \times 3} = \frac{14(5 - 3)}{21(9 + 3)} = \frac{2 \times 2}{3 \times 12} = \frac{1}{9}$