Odpowiedź:
2. x³y, -3x³y , 4x³y
3. -2,8a ∙ 40ax ∙ (-1) ∙ a²
2,8a * 40ax * 1a² = 112[tex]a^{4}[/tex]x
4. a+a+2+a+2+2 = 3a + 6
8. P= [(6x-1) + (x+4)] * 8 : 2 = (7x + 3) * 4 = 28x + 12
28*3 + 12 = 84 + 12 = 96
L= (6x-1) + (x+4) + 2(2x+4) = 6x - 1 + x + 4 + 4x + 8 = 11x + 11
11*3 + 11 = 44