Aplicația este accesibilă de pe ecrane late

adevărat
fals
\left(\sqrt{2}x-2y\right)\left(\sqrt{2}x+2y\right)=2x^2-4y^2
\left(\sqrt{2}x-2y\right)\left(\sqrt{2}x+2y\right)=2x^2+4y^2
\left(2\sqrt{3}x-y\right)\left(2\sqrt{3}x+y\right)=12x^2-y^2
\left(2\sqrt{3}x-y\right)\left(2\sqrt{3}x+y\right)=6x^2-y^2
2,25a^2-0,25b^2=\left(1,5a-0,5b\right)\left(1,5a+0,5b\right)
2,25a^2-0,25b^2=\left(15a-0,5b\right)\left(15a+0,5b\right)