求下列极限:[br][/br][tex=6.929x2.429]ENxIatiC2yqgaopSQCG83tXQk5xuU/AX5+Ac5mQsVp++B3fuWWUwKNA8J4B4klR+kdhughlzjECDKzNF6tLEQA==[/tex]
求下列极限:[br][/br][tex=6.929x2.429]ENxIatiC2yqgaopSQCG83tXQk5xuU/AX5+Ac5mQsVp++B3fuWWUwKNA8J4B4klR+kdhughlzjECDKzNF6tLEQA==[/tex]
设[tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex]的一个原函数为[tex=2.214x2.357]Hqxa/UCqq6/+StWVpW6nUr/ywv3F3oCfiNclBLHvryo=[/tex], 则[tex=8.643x1.357]m+UA0c3g3FJNakJtHx8r1vHN6ihvwIeMXaTg1bME1HI=[/tex][input=type:blank,size:4][/input]. 未知类型:{'options': ['[tex=6.929x2.429]IqyutyqSL+GV24tCO4CAI7z0WPxuZCmO/pwhdpIbI0s=[/tex]', '[tex=6.929x2.5]IqyutyqSL+GV24tCO4CAI7oNxT0GVpKxlOCJaV18O31OxMQ/LpvVyKTFTdq2dvqk[/tex]', '[tex=6.929x2.429]IqyutyqSL+GV24tCO4CAI5Gb1tHN2bN/1EOxnFQ7dtpXgZMhYm7y5nyVupAn57gX[/tex]', '[tex=5.5x2.714]IqyutyqSL+GV24tCO4CAI//fo6I/m8ewJHwGAcY+dOFX8Fkz7xz7XuxnQ4NwGB78[/tex]'], 'type': 102}
设[tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex]的一个原函数为[tex=2.214x2.357]Hqxa/UCqq6/+StWVpW6nUr/ywv3F3oCfiNclBLHvryo=[/tex], 则[tex=8.643x1.357]m+UA0c3g3FJNakJtHx8r1vHN6ihvwIeMXaTg1bME1HI=[/tex][input=type:blank,size:4][/input]. 未知类型:{'options': ['[tex=6.929x2.429]IqyutyqSL+GV24tCO4CAI7z0WPxuZCmO/pwhdpIbI0s=[/tex]', '[tex=6.929x2.5]IqyutyqSL+GV24tCO4CAI7oNxT0GVpKxlOCJaV18O31OxMQ/LpvVyKTFTdq2dvqk[/tex]', '[tex=6.929x2.429]IqyutyqSL+GV24tCO4CAI5Gb1tHN2bN/1EOxnFQ7dtpXgZMhYm7y5nyVupAn57gX[/tex]', '[tex=5.5x2.714]IqyutyqSL+GV24tCO4CAI//fo6I/m8ewJHwGAcY+dOFX8Fkz7xz7XuxnQ4NwGB78[/tex]'], 'type': 102}
如果已知因果函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex]的象函数[tex=6.929x2.429]sMR63Gd/hhMniuOXbiZJxvMt8CJ2qX74SbFbHjhZRE8=[/tex] 求下列函数的象函数。[tex=4.143x1.5]eYKBKVEvHiqF0C2bEOpos9WXKqr2uPg9sVKcNFd+fg8=[/tex]
如果已知因果函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex]的象函数[tex=6.929x2.429]sMR63Gd/hhMniuOXbiZJxvMt8CJ2qX74SbFbHjhZRE8=[/tex] 求下列函数的象函数。[tex=4.143x1.5]eYKBKVEvHiqF0C2bEOpos9WXKqr2uPg9sVKcNFd+fg8=[/tex]
如果已知因果函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex]的象函数[tex=6.929x2.429]sMR63Gd/hhMniuOXbiZJxvMt8CJ2qX74SbFbHjhZRE8=[/tex] 求下列函数的象函数。[tex=5.071x1.5]3diBFlE9Wiv+Rspi6BfH5UXBtxrWUqkqvbewQ7p8dY4=[/tex]
如果已知因果函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex]的象函数[tex=6.929x2.429]sMR63Gd/hhMniuOXbiZJxvMt8CJ2qX74SbFbHjhZRE8=[/tex] 求下列函数的象函数。[tex=5.071x1.5]3diBFlE9Wiv+Rspi6BfH5UXBtxrWUqkqvbewQ7p8dY4=[/tex]
如果已知因果函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex]的象函数[tex=6.929x2.429]sMR63Gd/hhMniuOXbiZJxvMt8CJ2qX74SbFbHjhZRE8=[/tex] 求下列函数的象函数。[tex=3.786x1.357]nX+pPKp9Oaj4K/xG7xvmHA==[/tex]
如果已知因果函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex]的象函数[tex=6.929x2.429]sMR63Gd/hhMniuOXbiZJxvMt8CJ2qX74SbFbHjhZRE8=[/tex] 求下列函数的象函数。[tex=3.786x1.357]nX+pPKp9Oaj4K/xG7xvmHA==[/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)
下列式中错误的是: A: (∀x)(A(x)Úp(x)) Û (∀x)A(x)Ú (∀x)p(x) B: ($x)A(x) Ù p Û ($x)(A(x) Ù p ) C: (∀x)(A(x)ÚB(x)) Þ (∀x)A(x)Ú( ∀x)B(x) D: ($x)(A(x)ÙB(x)) Þ ($x)A(x)Ù( $x)B(x)
下列式中错误的是: A: (∀x)(A(x)Úp(x)) Û (∀x)A(x)Ú (∀x)p(x) B: ($x)A(x) Ù p Û ($x)(A(x) Ù p ) C: (∀x)(A(x)ÚB(x)) Þ (∀x)A(x)Ú( ∀x)B(x) D: ($x)(A(x)ÙB(x)) Þ ($x)A(x)Ù( $x)B(x)
判断下列推证是否正确。 (∀x)(A(x)→B(x))⇔(∀x)(¬A(x)∨B(x)) ⇔(∀x)¬( A(x)∧¬B(x) ) ⇔¬(∃x) ( A(x)∧¬B(x) ) ⇔¬( (∃x)A(x)∧(∃x)¬B(x) ) ⇔¬(∃x)A(x)∨¬(∃x)¬B(x) ⇔¬(∃x)A(x)∨(∀x)B(x) ⇔(∃x)A(x)→(∀x)B(x)
判断下列推证是否正确。 (∀x)(A(x)→B(x))⇔(∀x)(¬A(x)∨B(x)) ⇔(∀x)¬( A(x)∧¬B(x) ) ⇔¬(∃x) ( A(x)∧¬B(x) ) ⇔¬( (∃x)A(x)∧(∃x)¬B(x) ) ⇔¬(∃x)A(x)∨¬(∃x)¬B(x) ⇔¬(∃x)A(x)∨(∀x)B(x) ⇔(∃x)A(x)→(∀x)B(x)