И
[tex] \\ 3 \ \frac{7}{15} \times 0.25 + \frac{5}{6} - 1 \ \frac{2}{5} [/tex]
____________________________=?
[tex]5.4 \div ( \frac{3}{20} + 0.75)[/tex]
[tex] \\ 3 \ \frac{7}{15} \times 0.25 + \frac{5}{6} - 1 \ \frac{2}{5} [/tex]
____________________________=?
[tex]5.4 \div ( \frac{3}{20} + 0.75)[/tex]
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