Question

${ \times }^{2} - \times + 2 { \times }^{2} + \times$=?
$\times - { \times }^{2} - 5 { \times }^{2} + 3 \times$=?
$\times - { \times }^{3} + 2 { \times }^{2} + 5 { \times 2}^{2} - \times + { \times }^{2}$=?
$- { \times }^{6} + 4 - \times - 3 { \times }^{6} - 2 \times + 9 - \\ \times$=?

Answer 1

sper ca te-am ajutat