[tex](4 \frac{1}{2} - 0.7) \times (1.85 + \frac{3}{20}) \\ (2.6 + 1 \frac{2}{5}) \times (4 - 2 \frac{4}{25} ) \\ (7 \frac{2}{5} + 6.4) \div (5.2 - 2 \frac{9}{10}) \\ (14 - 2 \frac{3}{10} ) \div ( \frac{3}{5} + 0.7)[/tex]
помагите плииз матеша херова
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