\[\boxed{\mathbf{152.}}\]
\[\textbf{а)}\ \frac{5!}{2!} = 3 \cdot 4 \cdot 5 = 60.\]
\[\textbf{б)}\ \frac{7!}{5!} = 6 \cdot 7 = 42.\]
\[\textbf{в)}\ \frac{10!}{8!} = 9 \cdot 10 = 90.\]
\[\textbf{г)}\ \frac{100!}{99!} = 100.\]
\[\textbf{д)}\ \frac{15!}{13! \cdot 2!} = \frac{14 \cdot 15}{1 \cdot 2} =\]
\[= 7 \cdot 15 = 105.\]
\[\textbf{е)}\ \frac{12!}{3! \cdot 9!} = \frac{10 \cdot 11 \cdot 12}{1 \cdot 2 \cdot 3} =\]
\[= 5 \cdot 11 \cdot 4 = 220.\]