Question

Calcule a diferença entre a raiz quadrada de 81 e a raiz quadrada de 16

Answer 1

 √81 = 9
√16 = 4
√81 - √16 = 9 -4 = 5
ou
√81 - √16 = √25

Answer 2

Oiiii tudo bem ???

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$\color{blue} \sqrt{81} - \sqrt{16} \\ \color{blue}9 - 4 \\ \color{blue}5$

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Att, IzabelaCristina2006 ❤️