Question

qual o valor de 20255² - 2.20255.20235 + 20235²?

Answer 1

Resposta:

400

Explicação passo a passo:

$20255^2-2\cdot \:20255\cdot \:20235+20235^2$

$=20255^2-819719850+20235^2$

$=410265025-819719850+20235^2$

$=410265025-819719850+409455225$

$=400$