[tex] \frac{3}{2} \times ( \frac{1}{10} + \frac{2}{5} \div \frac{1}{2}) [/tex]
[tex]( \frac{7}{9} \div \frac{1}{2} + \frac{1}{3} ) \times \frac{2}{3} [/tex]
problema matemático doy punto y coronita
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