الف) $\frac{4^6 \times 8^3}{16^2} = $

ب) $\frac{9^5 \times 27^3}{81^4} = $

ج) $\frac{35^7 \times 45^3}{21^4 \times 75^2} = $

د) $\frac{(4/3)^5 \times (1/2)^3 \times (1/5)^2}{(1/6)^2 \times (2/5)^2} = $