Question

выполни умножение 2/3×1/4; 1 1/6×6/7; 3 3/7×1 1/6

Answer 1

$\frac{2}{3} \times \frac{1}{4} = \frac{1}{6} \\ 1 \frac{1}{6} \times \frac{6}{7} = \frac{7}{6} \times \frac{6}{7} = 1 \\ 3 \frac{3}{7} \times 1 \frac{1}{6} = \frac{24}{7} \times \frac{7}{6} = 4$