Question

Va rog frumos dau coroana si ma abonez

Answer 1

a)

$(( \frac{39}{10}) {}^{2} - \frac{23}{10} ) \times ( \frac{27}{20} - \frac{7}{20} )$

$(( \frac{39}{10} ) {}^{2} - \frac{23}{10} ) \times 1$

$\frac{1521}{100} - \frac{23}{10}$

$\frac{1291}{100}$