Question

Ajutatima va rog urgent plizzzzzz

Answer 1

$\frac{16*2,5-2,5}{-3* \frac{1}{4}+3,45 }= \frac{40-2,5}{- \frac{3}{4}+ \frac{69}{20} } = \\ \\ = \frac{37,5}{ \frac{27}{10} } = \frac{ \frac{75}{2} }{ \frac{27}{10} } = \frac{125}{9}$