Ответ:
\(\left(\frac12\right)^8\cdot\left(\frac12\right)^7:\left(\frac12\right)^4:\left(\frac12\right)^6=\left(\frac12\right)^{8+7-4-6}=\left(\frac12\right)^5=\frac1{32}\).
Ответ: \(\frac1{32}\).
\(\left(\frac12\right)^8\cdot\left(\frac12\right)^7:\left(\frac12\right)^4:\left(\frac12\right)^6=\left(\frac12\right)^{8+7-4-6}=\left(\frac12\right)^5=\frac1{32}\).
Ответ: \(\frac1{32}\).