x * x3 = x1+3 = x4
Ответ: x4
x8 : x6 = x8-6 = x2
Ответ: x2
(x6)6 = x6*6 = x36
Ответ: x36
$$\frac{(x^4)^3 \cdot x^2}{x^9} = \frac{x^{4\cdot3} \cdot x^2}{x^9} = \frac{x^{12} \cdot x^2}{x^9} = \frac{x^{12+2}}{x^9} = \frac{x^{14}}{x^9} = x^{14-9} = x^5$$
Ответ: x5