Предмет: Математика, автор: igorveselov1963

Помогите пожалуйста!!!
Вычислите наиболее рациональным способом (задание 8)

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Автор ответа: mmb1
2

5.26 - 6 1/3 - 7 3/7 + 1.74 + 2 5/9 - 1 4/7 = (5.26 + 1.74) - (7 3/7 + 1 4/7) - (6 1/3 - 2 5/9) = 7 - 8 7/7 - (6 3/9 - 2 5/9) = 7 - 9 - 3 7/9 = -5 7/9

igorveselov1963: спасибо
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