Question

Calcule 75^2 - 25^2 / 62,5^2 - 37,5^2

 

opções para marcar :

 

a) 100 . 50

 

b) 100 . 25

 

c) 2

 

d) 4

 

e) 25

Answer 1

$75 ^{2} = 5625 \\ 25 ^{2} =625 \\ 62,5 ^{2} = 3906,25 \\ 37,5 ^{2} = 1406,25 \\ \\ \\ \boxed{\boxed{\boxed{ \frac{5625-625}{3906,25- 1406,25} = \frac{5000}{2500} = 2}}}$

Answer 2

Olá Eisten.

$\boxed{\frac{75^2- 25^2}{62,5^2-37,5^2} = \frac{5625- 625}{3906,25-1406,25}= \frac{5000}{2500} = \boxed{2}}$

Alternativa C