计算行列式[tex=8.929x4.071]Uyz5s0rmQIddjb5Jc2T/YY93uANQ8HswDwYoLUGMiuGJUG23lDwlxbGvzEjAsGoz6wxaUFfioPTJwrnMyomqMhfnMJ7gFD1kGtAiBOKEKOAKbXOP2KjZaeQTrmWSe33uID28nZEiQLNl9srpCq3bSA==[/tex]
计算行列式[tex=8.929x4.071]Uyz5s0rmQIddjb5Jc2T/YY93uANQ8HswDwYoLUGMiuGJUG23lDwlxbGvzEjAsGoz6wxaUFfioPTJwrnMyomqMhfnMJ7gFD1kGtAiBOKEKOAKbXOP2KjZaeQTrmWSe33uID28nZEiQLNl9srpCq3bSA==[/tex]
计算行列式：[tex=8.929x4.071]1xLK2S2fjz/DkWdie5OKhVqWOhOfsXlSK87i0lt/xZ8JILCeGpVFyaouqAztGuHUHvGRuQRJYwJciVE1YsdGGKIZdqYN7M4pfFLb8EDWFONBs2DQE9dyEghDzHtrlOnWU5oLgpZoyskJep4TrZPxDg==[/tex].
计算行列式：[tex=8.929x4.071]1xLK2S2fjz/DkWdie5OKhVqWOhOfsXlSK87i0lt/xZ8JILCeGpVFyaouqAztGuHUHvGRuQRJYwJciVE1YsdGGKIZdqYN7M4pfFLb8EDWFONBs2DQE9dyEghDzHtrlOnWU5oLgpZoyskJep4TrZPxDg==[/tex].
计算下列各行列式：[tex=8.929x4.071]Uyz5s0rmQIddjb5Jc2T/YY93uANQ8HswDwYoLUGMiuGJUG23lDwlxbGvzEjAsGoz6wxaUFfioPTJwrnMyomqMhfnMJ7gFD1kGtAiBOKEKOAKbXOP2KjZaeQTrmWSe33uID28nZEiQLNl9srpCq3bSA==[/tex]
计算下列各行列式：[tex=8.929x4.071]Uyz5s0rmQIddjb5Jc2T/YY93uANQ8HswDwYoLUGMiuGJUG23lDwlxbGvzEjAsGoz6wxaUFfioPTJwrnMyomqMhfnMJ7gFD1kGtAiBOKEKOAKbXOP2KjZaeQTrmWSe33uID28nZEiQLNl9srpCq3bSA==[/tex]
计算下列各行列式：[tex=8.929x4.071]Uyz5s0rmQIddjb5Jc2T/YY93uANQ8HswDwYoLUGMiuGJUG23lDwlxbGvzEjAsGozIKuFdVdhC6OnxqpcIhwm76LLXOybHFLrphR00vAE3sd6CdRVbNC5F9JeGhFaSw75Z9e1yJFCMyXNedm4fewrrQ==[/tex]
计算下列各行列式：[tex=8.929x4.071]Uyz5s0rmQIddjb5Jc2T/YY93uANQ8HswDwYoLUGMiuGJUG23lDwlxbGvzEjAsGozIKuFdVdhC6OnxqpcIhwm76LLXOybHFLrphR00vAE3sd6CdRVbNC5F9JeGhFaSw75Z9e1yJFCMyXNedm4fewrrQ==[/tex]
计算行列式[tex=8.929x4.071]TIwZYBkNsy31H1RNd/OloFPb0NB7YNAyi04ve3YuLA/1V2z20EITmDhqiMmaJHBhMHHwzVTJVMDSVLYACcvT+9KVco+ZOIm1Y3mCoHFDe8dp2e/7Fueyuh4pdXx4SeeasOsl11Dn/5pwoY87xO8JAA==[/tex].
计算行列式[tex=8.929x4.071]TIwZYBkNsy31H1RNd/OloFPb0NB7YNAyi04ve3YuLA/1V2z20EITmDhqiMmaJHBhMHHwzVTJVMDSVLYACcvT+9KVco+ZOIm1Y3mCoHFDe8dp2e/7Fueyuh4pdXx4SeeasOsl11Dn/5pwoY87xO8JAA==[/tex].
利用行列式的性质，计算行列式：[tex=8.929x4.071]mqOKs44jrJgbK/+3e5yEga0o63jJTp+ytzfROp20EZxttg1Wpd5v1OKnFbMtqrqWAx7PAja6awH5/e/fdoSO8o1uZ9IesDT5Dhe5P5PiY2l1WnI/oFF7XiiSt1Aa6JTQitRjhmGbcqEGx9efJlBWvA==[/tex]。
利用行列式的性质，计算行列式：[tex=8.929x4.071]mqOKs44jrJgbK/+3e5yEga0o63jJTp+ytzfROp20EZxttg1Wpd5v1OKnFbMtqrqWAx7PAja6awH5/e/fdoSO8o1uZ9IesDT5Dhe5P5PiY2l1WnI/oFF7XiiSt1Aa6JTQitRjhmGbcqEGx9efJlBWvA==[/tex]。
设有 3 阶方阵[tex=9.0x4.071]r+tiAx6ClSaeP7cZbqpjmcHlRDRoMq1fCgzkZeHHGFgURNtyOGZNNgxIBd44JJxGKPfWkhtIfSugHUyLR6joV8g/KTfVyT9R5VOVdrBaFVJdV/xs3nRPuDGf+DBXIyopLMau7NBy3wVxxiOCrdA9g3NonbCTQoIkrznxuxP/iTg=[/tex], [tex=8.929x4.071]t4TU5HQAVYrwy1dmvaCPG3apEqTl+RghiaQm2OujW+oFRgNZwosvKtGXK6iSQZW9/Tg7jseFNSh5LV0Lq2H8ck7Nl5vqMq8vCriOQL/caFUsGM7IBjJeAKRnK01RTeu3qhxCYZPelEoZuMtDyvLkGxesOhC8D+DBFel1JemJeZo=[/tex], 且[tex=3.071x1.286]JpJVTOrESmO49zHbo2NZmg==[/tex],[tex=3.143x1.286]fMJBEiH4cDdWKyIlAfphvQ==[/tex], 求 [tex=3.714x1.286]Z252OqufiK+7mtU/7BYrXg==[/tex]。
设有 3 阶方阵[tex=9.0x4.071]r+tiAx6ClSaeP7cZbqpjmcHlRDRoMq1fCgzkZeHHGFgURNtyOGZNNgxIBd44JJxGKPfWkhtIfSugHUyLR6joV8g/KTfVyT9R5VOVdrBaFVJdV/xs3nRPuDGf+DBXIyopLMau7NBy3wVxxiOCrdA9g3NonbCTQoIkrznxuxP/iTg=[/tex], [tex=8.929x4.071]t4TU5HQAVYrwy1dmvaCPG3apEqTl+RghiaQm2OujW+oFRgNZwosvKtGXK6iSQZW9/Tg7jseFNSh5LV0Lq2H8ck7Nl5vqMq8vCriOQL/caFUsGM7IBjJeAKRnK01RTeu3qhxCYZPelEoZuMtDyvLkGxesOhC8D+DBFel1JemJeZo=[/tex], 且[tex=3.071x1.286]JpJVTOrESmO49zHbo2NZmg==[/tex],[tex=3.143x1.286]fMJBEiH4cDdWKyIlAfphvQ==[/tex], 求 [tex=3.714x1.286]Z252OqufiK+7mtU/7BYrXg==[/tex]。
下列变量组（）是一个闭回路。 A: {x，x，x，x，x，x} B: {x，x，x，x，x} C: {x，x，x，x，x，x} D: {x，x，x，x，x，x}
下列变量组（）是一个闭回路。 A: {x，x，x，x，x，x} B: {x，x，x，x，x} C: {x，x，x，x，x，x} D: {x，x，x，x，x，x}
以下谓词蕴含式正确的是（）: (∀x) (A(x)→B(x))=>( ∀x)A(x)→(∀x)B(x)|(∀x) (A(x)↔B(x))=>( ∀x)A(x)↔(∀x)B(x)|(∀x)A(x)∨(∀x)B(x)=>( ∀x) (A(x)∨B(x))|(∃x) (A(x)∧B(x))=>(∃x)A(x)∧(∃x)B(x)
以下谓词蕴含式正确的是（）: (∀x) (A(x)→B(x))=>( ∀x)A(x)→(∀x)B(x)|(∀x) (A(x)↔B(x))=>( ∀x)A(x)↔(∀x)B(x)|(∀x)A(x)∨(∀x)B(x)=>( ∀x) (A(x)∨B(x))|(∃x) (A(x)∧B(x))=>(∃x)A(x)∧(∃x)B(x)
以下谓词蕴含式正确的是（）: (?x) (A(x)→B(x))=>( ?x)A(x)→(?x)B(x)|(?x) (A(x)?B(x))=>( ?x)A(x)?(?x)B(x)|(?x)A(x)∨(?x)B(x)=>( ?x) (A(x)∨B(x))|(?x) (A(x)∧B(x))=>(?x)A(x)∧(?x)B(x)
以下谓词蕴含式正确的是（）: (?x) (A(x)→B(x))=>( ?x)A(x)→(?x)B(x)|(?x) (A(x)?B(x))=>( ?x)A(x)?(?x)B(x)|(?x)A(x)∨(?x)B(x)=>( ?x) (A(x)∨B(x))|(?x) (A(x)∧B(x))=>(?x)A(x)∧(?x)B(x)