Предмет: Математика, автор: dimalaskavenkov

вычеслите дробь 10/21 +3/7

Ответы

Автор ответа: ruslan982010

0

Ответ:

$\frac{10}{21} +\frac{3}{7} =\frac{10}{21} +\frac{3*3}{7} =\frac{10+9}{21}=\frac{19}{21}$

Пошаговое объяснение:

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