• 试题 ID 22552


计算 $$
\left|\begin{array}{cccc}
2 & 1 & 0 & -1 \\
-1 & 2 & -5 & 3 \\
3 & 0 & a & b \\
1 & -3 & 5 & 0
\end{array}\right|-\left|\begin{array}{cccc}
2 & 1 & 0 & -1 \\
-1 & 2 & -5 & 3 \\
3 & 0 & a & b \\
1 & -1 & 1 & 0
\end{array}\right|=
$$
A
B
C
D
E
F
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解析:

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