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Shinoby
a fost răspuns

[tex] { \times }^{2} - \times + 2 { \times }^{2} + \times [/tex]=?
[tex] \times - { \times }^{2} - 5 { \times }^{2} + 3 \times [/tex]=?
[tex] \times - { \times }^{3} + 2 { \times }^{2} + 5 { \times 2}^{2} - \times + { \times }^{2} [/tex]=?
[tex] - { \times }^{6} + 4 - \times - 3 { \times }^{6} - 2 \times + 9 - \\ \times [/tex]=?