Question

e) (10sobe 2 menos √25):19 mais √225=

​

Answer 1

$\LARGE\tt{}( {10}^{2} - \sqrt{25} ) \div 19 + \sqrt{225} \\ \\ \LARGE\tt{}(100 - \sqrt{25} ) \div 19 + \sqrt{225} \\ \LARGE\tt{}(100 - 5) \div 19 + \sqrt{225} \\ \LARGE\tt{}(100 - 5) \div 19 + 15 \\ \LARGE\tt{}95 \div 19 + 15 \\ \LARGE\tt{}5 + 15 \\ {\large\boxed{\boxed{  { \LARGE \tt 20 }}}}$

Bons estudos!