Предмет: Математика, автор: annarashina2010

2 1/10*2 1/7 помогите

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Автор ответа: сок111213

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

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