Question

2016²-1/2015 qual seria resposta ?

Answer 1

2016² - 1/2015 = (2016 + 1)(2016 - 1)/2015 = 2017 * 2015/2015 = 2017

Answer 2

Olá,

2016² - 1 = 2016² - 1² = (2016+1)(2016-1)

$\mathsf{\dfrac{ (2016+1)(2016-1)}{2015} =\dfrac{ 2017*2015}{2015} = 2017}$

Espero ter ajudado :)