Question

4 intregi 1/5:3intregi 1/2 =21/5:7/2=21/5×?/?=?/?:?/?=?/?=? ?/?
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Dau coroana

Answer 1

 

$\displaystyle\bf\\4\frac{1}{5}:\frac{7}{2}=\\\\\\=\frac{21}{5}:\frac{7}{2}=\\\\\\=\frac{21}{5}\times\frac{2}{7}=\frac{~~42^{(7}}{35}=\boxed{\bf\frac{6}{5}}$