Question

Calcule o valor da expressão:3√81-2(1/2)²+4-¹

Answer 1

Resposta:

3.9-2.1/4+1/4

     27-2.0.5 = 26

       

Explicação passo-a-passo:

e

Answer 2

꧁Hello, how are you?꧂

$3 \sqrt{81} - 2( \frac{1}{2} ) {}^{2} + 4 \\ \\ 3 \times 9 - 2 \times ( \frac{1}{2}) {}^{2} + 4 \\ \\ 3 \times 9 - 2 \times \frac{1}{4} + 4 \\ \\ 3 \times 9 - \frac{1}{2} + 4 \\ \\ 27 - \frac{1}{2} + 4 \\ \\ 31 - \frac{1}{2} \\ \\ \frac{62 - 1}{2} \\ \\ \frac{61}{2}$

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