Resposta :

Resposta:

1/2 espero que tenha entendido!

Explicação passo a passo:

[tex]\dfrac{1}{4} +\sqrt{\dfrac{9}{4}} -\sqrt{\dfrac{25}{16} } \\\\\\\dfrac{1}{4} +\dfrac{3}{2} -\dfrac{5}{4} \\\\\\\dfrac{1}{4} +\dfrac{6}{4} -\dfrac{5}{4} \\\\\\\dfrac{1+6-5}{4}\\\\\\\dfrac{2}{4}\\\\\\\dfrac{1}{2}[/tex]

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