Matemática Pura, Nua e Crua

segunda-feira, 18 de junho de 2012

Simplificando a expresão,

This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

obtemos:

a) (a + b)/2

b) (a - b)/2

c) a + b

d) a - b

Solução

Basta fazer:

This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

Portanto, alternativa (b) é a correta

Referência:

MSM-2012. Concurso Público, Município de Jequié-Ba.

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