Question

Raiz quadrada de 1/100 - raiz quadrada de 49/25 = ?como fazer a conta

Answer 1

$\sqrt{ \frac{1}{100} } - \sqrt{ \frac{49}{25} }\\ \frac{1}{10} - \frac{7}{5} \\ \frac{1-14}{10}= \frac{-13/10}{y}$

Answer 2

√1/100-√49/25
1/10-7/5=
MMC(10,5)=10
1.1-7.2/10= 1-14/10=-13/10