Помогите пожалуйста)) . Created by AlenaPikachu. matematika-ru

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AlenaPikachu @AlenaPikachu

October 2021 1 5 Report

Помогите пожалуйста))

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lida2708

Ответ:

$\frac{7}{15} + \frac{4}{9} - \frac{3}{10} = \frac{42 + 40 - 27}{90} = \frac{82 - 27}{90} = \frac{55}{90} = \frac{11}{18} \\ \\ \\ 5 \frac{7}{9} - 3 \frac{5}{6} = 2 \frac{14 - 15}{18} = 1 \frac{32 - 15}{18} = 1 \frac{17}{18}$

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