Question

Calcule o valor da expressão √(81 / 4) - √(900 / 100) + 3 / 2 : ​

Answer 1

Resposta:

$\sqrt{ \frac{81}{4} } - \sqrt{ \frac{900}{100} } + \frac{3}{2} = \\ \\ \frac{9}{2} - \frac{30}{10} + \frac{3}{2} = \\ \\ \frac{45 - 30 + 15}{10} = \\ \\ \frac{30}{10} = \\ \\ 3$