下列选项为某变速器一、二、三、四挡的传动比,则三挡的传动比为()。 A: 0.969 B: 1.286 C: 1.944 D: 3.455
下列选项为某变速器一、二、三、四挡的传动比,则三挡的传动比为()。 A: 0.969 B: 1.286 C: 1.944 D: 3.455
[tex=22.286x1.286]Hgd17yGnmVnYjmupChcbA2KlMCtXbHirrEq6Gr0AfV590DnhfZQXLLSoAqChlRn5F2XOO1Imjbk71R/+OPzhIv1TEj3KjHYUOzmglbfMYhE=[/tex][tex=14.786x1.286]sGZwL+bwkGVuoyIkgrV0+tb38rvhXKCcqoMJ4XStVfdydcMbAQd2avCNKlYivD7OxeKPDepSwPVnlKXN6fsoHQ==[/tex][tex=8.857x1.286]Y2in6xakENaVp9BNvoctVnf6TjYDDY34pATL0LXr/6iDGQD1kCr0dBpGmvU0G8E8[/tex][tex=21.929x1.286]F02zVsyzWQvyIVYFIz+t7m0blix8Y8WeBvDoaH18kdGUMSm534l7POgUforyLutT5Nt0nxzfM4qFs6CNg5x4RsTIZx5YkibRJOVIx6jTmJ4=[/tex][tex=10.786x1.286]a/sCuZXtSVz+YhMIsXQnAO4r703z7P8g6MaQLpqz+cV1j2owI8AQB84Y53CZd7GG[/tex]
[tex=22.286x1.286]Hgd17yGnmVnYjmupChcbA2KlMCtXbHirrEq6Gr0AfV590DnhfZQXLLSoAqChlRn5F2XOO1Imjbk71R/+OPzhIv1TEj3KjHYUOzmglbfMYhE=[/tex][tex=14.786x1.286]sGZwL+bwkGVuoyIkgrV0+tb38rvhXKCcqoMJ4XStVfdydcMbAQd2avCNKlYivD7OxeKPDepSwPVnlKXN6fsoHQ==[/tex][tex=8.857x1.286]Y2in6xakENaVp9BNvoctVnf6TjYDDY34pATL0LXr/6iDGQD1kCr0dBpGmvU0G8E8[/tex][tex=21.929x1.286]F02zVsyzWQvyIVYFIz+t7m0blix8Y8WeBvDoaH18kdGUMSm534l7POgUforyLutT5Nt0nxzfM4qFs6CNg5x4RsTIZx5YkibRJOVIx6jTmJ4=[/tex][tex=10.786x1.286]a/sCuZXtSVz+YhMIsXQnAO4r703z7P8g6MaQLpqz+cV1j2owI8AQB84Y53CZd7GG[/tex]
[tex=22.286x1.286]Hgd17yGnmVnYjmupChcbA2KlMCtXbHirrEq6Gr0AfV590DnhfZQXLLSoAqChlRn5F2XOO1Imjbk71R/+OPzhIv1TEj3KjHYUOzmglbfMYhE=[/tex][tex=14.786x1.286]sGZwL+bwkGVuoyIkgrV0+tb38rvhXKCcqoMJ4XStVfdydcMbAQd2avCNKlYivD7OxeKPDepSwPVnlKXN6fsoHQ==[/tex][tex=8.857x1.286]Y2in6xakENaVp9BNvoctVnf6TjYDDY34pATL0LXr/6iDGQD1kCr0dBpGmvU0G8E8[/tex][tex=21.929x1.286]F02zVsyzWQvyIVYFIz+t7m0blix8Y8WeBvDoaH18kdGUMSm534l7POgUforyLutT5Nt0nxzfM4qFs6CNg5x4RsTIZx5YkibRJOVIx6jTmJ4=[/tex][tex=10.786x1.286]a/sCuZXtSVz+YhMIsXQnAO4r703z7P8g6MaQLpqz+cV1j2owI8AQB84Y53CZd7GG[/tex]
[tex=22.286x1.286]Hgd17yGnmVnYjmupChcbA2KlMCtXbHirrEq6Gr0AfV590DnhfZQXLLSoAqChlRn5F2XOO1Imjbk71R/+OPzhIv1TEj3KjHYUOzmglbfMYhE=[/tex][tex=14.786x1.286]sGZwL+bwkGVuoyIkgrV0+tb38rvhXKCcqoMJ4XStVfdydcMbAQd2avCNKlYivD7OxeKPDepSwPVnlKXN6fsoHQ==[/tex][tex=8.857x1.286]Y2in6xakENaVp9BNvoctVnf6TjYDDY34pATL0LXr/6iDGQD1kCr0dBpGmvU0G8E8[/tex][tex=21.929x1.286]F02zVsyzWQvyIVYFIz+t7m0blix8Y8WeBvDoaH18kdGUMSm534l7POgUforyLutT5Nt0nxzfM4qFs6CNg5x4RsTIZx5YkibRJOVIx6jTmJ4=[/tex][tex=10.786x1.286]a/sCuZXtSVz+YhMIsXQnAO4r703z7P8g6MaQLpqz+cV1j2owI8AQB84Y53CZd7GG[/tex]
下列关于家族性高胆固醇血症的说法不正确的是 未知类型:{'options': ['是一种遗传性受体病', '[tex=14.786x1.286]cp2Lc7F5pMNVnjpXpvKKylSoyYTsWp67d860jb6Bj8QbJyPJR0O9DdhM31IdhkiFCtMPaL5MsNgqNadJobo0SQ==[/tex]', '[tex=11.786x1.286]rPnuU7Vy6luSWakPt8Pr2yc9RwRrcOMGEbPlKUlkJ3NCsL5v06WAXEQtJDEed29f[/tex]', '[tex=12.0x1.286]LpuQwuLuS4Dy291l+dyUZSAybIj2PMSiHkN+kUl2PsT387rZQobM9hYLfduAHA5Z[/tex]', '易出现动脉粥样硬化'], 'type': 102}
下列关于家族性高胆固醇血症的说法不正确的是 未知类型:{'options': ['是一种遗传性受体病', '[tex=14.786x1.286]cp2Lc7F5pMNVnjpXpvKKylSoyYTsWp67d860jb6Bj8QbJyPJR0O9DdhM31IdhkiFCtMPaL5MsNgqNadJobo0SQ==[/tex]', '[tex=11.786x1.286]rPnuU7Vy6luSWakPt8Pr2yc9RwRrcOMGEbPlKUlkJ3NCsL5v06WAXEQtJDEed29f[/tex]', '[tex=12.0x1.286]LpuQwuLuS4Dy291l+dyUZSAybIj2PMSiHkN+kUl2PsT387rZQobM9hYLfduAHA5Z[/tex]', '易出现动脉粥样硬化'], 'type': 102}
求由所给函数复合而成的函数,并求这函数分别对应于给定自变量值[tex=1.0x1.286]qjAHqqlhpkxZEZ8WzJsZvA==[/tex]和[tex=1.0x1.286]w/OtJ66qGiAz/TyRXlfxoA==[/tex]的函数值:[tex=14.786x1.286]tR9wpeD5F5nc+sCymWOKduPvGfC4/V62dc9GjbhL9qvTGh0a0dTjhYOL4TFSaaRj[/tex]
求由所给函数复合而成的函数,并求这函数分别对应于给定自变量值[tex=1.0x1.286]qjAHqqlhpkxZEZ8WzJsZvA==[/tex]和[tex=1.0x1.286]w/OtJ66qGiAz/TyRXlfxoA==[/tex]的函数值:[tex=14.786x1.286]tR9wpeD5F5nc+sCymWOKduPvGfC4/V62dc9GjbhL9qvTGh0a0dTjhYOL4TFSaaRj[/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)