[tex] \frac{2}{15} \times \frac{12}{7} \div \frac{8}{7} = \frac{8}{35} \times \frac{7}{8} = \frac{1}{5} [/tex]
[tex]8 \frac{17}{20} - (4 \frac{17}{30} + 1 \frac{14}{15} ) = 8 \frac{17}{20} - 6 \frac{1}{2} = 2 \frac{7}{20} [/tex]
Ответ:вот
Объяснение:
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[tex] \frac{2}{15} \times \frac{12}{7} \div \frac{8}{7} = \frac{8}{35} \times \frac{7}{8} = \frac{1}{5} [/tex]
[tex]8 \frac{17}{20} - (4 \frac{17}{30} + 1 \frac{14}{15} ) = 8 \frac{17}{20} - 6 \frac{1}{2} = 2 \frac{7}{20} [/tex]
Ответ:вот
Объяснение: