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【简答题】
设3阶方阵A的特征值为λ[sub1sub]=λ[sub2sub]=1，λ[sub3sub]=-2，方阵B=3A[sup3sup]+2A[sup2sup]-2E.求B及B[supsup]的特征值.
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【简答题】型深是指: I、在船长中点处,沿船舷由一板龙骨上缘量至上层连续甲板横梁上缘的垂直距离;II、在船长中点处,沿船舷由平板龙骨上缘量至上层连续甲板下缘的垂直距离;III、在船长中点处,沿船舷由平板龙骨下缘量至上层连续甲板下缘的垂直距离(204092:第01章 船舶常识) (A-0,B-0,C-0,D-0,错误-0)A. I、II、 B、I、IIIC、II、IIID、I、II、III
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A.
I.II
B.
I.III
C.
II.III
D.
I.II.III
【简答题】(6) 具有 100 个 结点的完全二叉树的叶子结点数为( )。
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【简答题】What he did in the "just a bit of fun" has now earned a p______ in the Guinness Book of Records.
【单选题】— _____ is the sweater? — It's $ 100. [ ]
A.
How much
B.
How many
C.
How long
D.
How often
【单选题】—____is your new house? —It's about 15 meters long and nine meters wide. [ ]
A.
How high
B.
how long
C.
How big
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