Question

Calculeaza valoarea expresiei:
[tex] \frac{\frac{1}{3}- (\sqrt{1 \frac{7}{5} } )^{-2}}{\frac{37}{100} : 0,925}
[/tex]

Answer 1

[1/3 -(√1 7/5)⁻²] /(37/100 : 0,925)=
=(1/3 -5/12) /(37/100 ×1000/925)=
=[(4-5)/12] /(2/5)=
=(-1/12 ×5/2=
=-5/24