Odpowiedź:
Poziom C
[tex]e) - 2x \times 5yz + 9 {x}^{2} z - 5yz {}^{2} = - 10xyz + 9x {}^{2} z - 5yz {}^{2} [/tex]
[tex]f) - 10ab - 4ab \times b - 3a = - 10ab - 4ab {}^{2} - 3a[/tex]
Poziom D
A) 30ab + 10a + 6a - ab = 29ab +16a
[tex]b)a {}^{2} b {}^{2} + aba - 2abba + 4a {}^{2} b[/tex]
[tex]c) - 2s {}^{2} t {}^{2} + 15st {}^{2} + 6s {}^{2} t {}^{2} + st {}^{2} = 4s {}^{2} t {}^{2} + 16st {}^{2} [/tex]
[tex]d)6xy - 12x {}^{2} y - 2xy + 5x {}^{2} y = 4xy - 7x {}^{2} y[/tex]
[tex]e)3p {}^{3} r {}^{2} - 2r {}^{2} p {}^{2} + 3prprp - 4r {}^{2} pp[/tex]
[tex]f) - 10x {}^{2} y + 21xy + 6x {}^{2}y - 8xy = - 4x {}^{2} y + 13xy[/tex]
