rhce 7 exam questions

$ V $, $ \ Bex v_1 = L (\ ve_1, \ cdots, \ ve_r), \ quad V_2 = L (\ ve _ {R + 1}, \ cdots, \ ve_n ). \ EEx $ (1) prove $ v = v_1 \ oplus V_2 $; (2) set $ \ SCRA $ to a linear transformation of $ v_1 $. $ \ scrb $ is a linear transformation of $ V_2 $, evaluate the linear transformation of $ V $ \ SCRC $ so that $ v_1 and V_2 $ are all $ \ SCRC $-constant subspaces, and $ \ SCRC $ is in $ v_1, the display on V_2 $ is $ \ Bex \ SCRC | _ {v_1 }=\ SCRA, \ quad \ SCRC |_{ V_2 }=\ scrb. \ EEx $ Proo

No! Time limit:MS | Memory limit:65535 KB Describe Judgment: Two number x, y positive and negative properties. Requirements: You cannot use the comparison operator, which is " Input There are multiple sets of data, one row for each group of data, and two digits x, y for each row. X, Y is guaranteed to be within the int range. Output One row for each set of data output.

points)A. You do not lie to me!B. It's really boiled!C. Don't yell at me!D. I don't believe it. 12. The following is an example of "you have eaten Hu again! "Which is similar? (4 points)A. You win again!B. Have you eaten so much ?!C. Why did you steal food?D. Have you lost again? 13. What does "dirty cat soap dog" refer? (4 points)A. A person raises many animalsB. The sky is gloomy and it is about to rain.C. A person is very dirtyD. An unhealthy person's mind 14. :()B

number, SNAME for nameC (cno,cname,cteacher) course relationship. CNO as course number, CNAME as course name, Cteacher as InstructorSC (sno,cno,scgrade) course selection relationship. Scgrade as a result Find out the names of all students who have not been enrolled in the "Li Ming" teacher course (4 points) Names of students with two or more (including two) failed courses and their average score (4 points) List all students who have studied the course "1" and who have studied "

An emergency for help. I have to submit the exam questions at six o'clock P.M.. Please help me. Thank you. -- Linux general technology-Linux programming and kernel information. The following is a detailed description. Operating System Structure Analysis and Application Programming Examination Paper 1. the following commands are available: Grep computer file3> flist Sort flist Rm flist Each Command i

5 Servlet 80 For readability, the results after querying this table are explicitly as follows (passing score is 60), please write out the SQL implementation statement CourseID Coursename Score Mark 1 Java 70 Pass 2 Oracle 90 Pass 3 Xml 40 Fail 4 Jsp 30 Fail 5 Servlet 80 Pass 9, writ

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