Question

......

$\sqrt{5.76} \times 0.(5) - 0.4$
​

Answer 1

Explicație pas cu pas:

$\sqrt{ \frac{576}{100} } \times \frac{5}{9} - \frac{4}{10} = \\ = \frac{24}{10 } \times \frac{5}{9} - \frac{4}{10} = \\ = \frac{120}{10 \times 9} - \frac{4}{10} = \\ = \frac{120}{90} - \frac{36}{90} = \\ = \frac{84}{90} = \\ = 84 \div 9 = \\ = 0.9(3)$