Предмет: Математика, автор: лера123454

помогите пожалуйста 630 номер 2 пример

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Автор ответа: dorofeevv
0
3 1/13( 2/9 + 1 4/5)
3 1/13 ( 10/45 + 1 36/45 )
3 1/13 * 2 1/45
40/13 * 91/45 = 56/9 = 6 2/9
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