Question

2 1/10*2 1/7 помогите

Answer 1

$2 \frac{1}{10} \times 2 \frac{1}{7} = \frac{21}{10} \times \frac{15}{7} = \frac{3 \times 3}{2 \times 1} = \frac{9}{2} = 4 \frac{1}{2} = 4.5$