Question

7 supra5 _0,(4)înmulțit cu2la puterea minus 1

Answer 1

Răspuns:

$\frac{7}{5}-0,(4)*2^{-1}$

Explicație pas cu pas:

$\frac{7}{5}-\frac{0,(4)}{2}\\\\\\\frac{7}{5}-0,(2)\\\frac{7}{5}-\frac{2}{9}\\\\\frac{9*7 - 5*2}{45}\\\\\frac{63 - 10}{45}\\\\\frac{53}{45}$