Ответ:
[tex](6 \frac{1}{15} + 1 \frac{4}{15} ) - (8 \frac{11}{15} - 4 \frac{3}{15} ) = 7 \frac{5}{15} - (4 \frac{8}{15} ) = 7 \frac{5}{15} - 4 \frac{8}{15} = 6 \frac{20}{15} - 4 \frac{8}{15} = 2 \frac{12}{15} = 2 \frac{4}{5} = 2.8[/tex]
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Ответ:
[tex](6 \frac{1}{15} + 1 \frac{4}{15} ) - (8 \frac{11}{15} - 4 \frac{3}{15} ) = 7 \frac{5}{15} - (4 \frac{8}{15} ) = 7 \frac{5}{15} - 4 \frac{8}{15} = 6 \frac{20}{15} - 4 \frac{8}{15} = 2 \frac{12}{15} = 2 \frac{4}{5} = 2.8[/tex]