设 [tex=1.857x1.357]FpnfRCT+0V6mbr8PsHoVOg==[/tex], [tex=1.857x1.357]fwm6o3/l7z6HLY0uqqv3wg==[/tex] 任意次可微,且 [tex=3.714x1.357]1TnuIqeX7z8GzxFYLFUsDw==[/tex] .[tex=4.214x2.786]zfwy0QCeGFRecrB5lBeV3Sk6+sdvPrYqL/MGW5mBEMqQSslPL+yfYoKDArJWYnCq[/tex].
设 [tex=1.857x1.357]FpnfRCT+0V6mbr8PsHoVOg==[/tex], [tex=1.857x1.357]fwm6o3/l7z6HLY0uqqv3wg==[/tex] 任意次可微,且 [tex=3.714x1.357]1TnuIqeX7z8GzxFYLFUsDw==[/tex] .[tex=4.214x2.786]zfwy0QCeGFRecrB5lBeV3Sk6+sdvPrYqL/MGW5mBEMqQSslPL+yfYoKDArJWYnCq[/tex].
使函数[tex=7.857x1.571]1FiRav2HSkaRpWL2j6qdIcTD0fCyiqN6xlSkAEwwuluodn756rVTTE+zlNPOn6ar[/tex]适合罗尔中值定理条件的区间是 未知类型:{'options': ['[0,1]', '[-1,1]', '[-2,2]', '[tex=4.214x2.786]Sz7fmUCQrp1LbTDlCz4pApVA0dGfwvudvKMeZfU0qndqaHUEY1aouQz3gAbaDLUH[/tex]'], 'type': 102}
使函数[tex=7.857x1.571]1FiRav2HSkaRpWL2j6qdIcTD0fCyiqN6xlSkAEwwuluodn756rVTTE+zlNPOn6ar[/tex]适合罗尔中值定理条件的区间是 未知类型:{'options': ['[0,1]', '[-1,1]', '[-2,2]', '[tex=4.214x2.786]Sz7fmUCQrp1LbTDlCz4pApVA0dGfwvudvKMeZfU0qndqaHUEY1aouQz3gAbaDLUH[/tex]'], 'type': 102}
下列积分中不是广义积分的是[input=type:blank,size:4][/input] 未知类型:{'options': ['[tex=4.357x2.643]Tam5VHMowjxhqqucO+GJbTPAdgwZmw+XHQZDL4MQmp/a0Zp+Qdcp3IxMHJnHng7d[/tex]', '[tex=3.714x2.857]favTAFzqPGrEJuUwfoys0L1aZ8Kyprw4ZHsMj52Fr53SdPcWT4U0AP44EJm4OjN3[/tex]', '[tex=4.214x2.786]VayJAJ4dPoPvWvsG3JDU0o7iOAdCyYqwtpuprslvZN8PykVzznSoi1j+WbzsWQ4OaFyN374Uic0rHwpCzugQiA==[/tex]', '[tex=4.214x2.857]DUVldNzBYbEjuzj4+8Nj4uWbbL1dy0wpfMy9QSElCDHMZMRbz4ZgVA97VR3kTcsDRuu9A/gRb2HCY1GRNeqXtQ==[/tex]'], 'type': 102}
下列积分中不是广义积分的是[input=type:blank,size:4][/input] 未知类型:{'options': ['[tex=4.357x2.643]Tam5VHMowjxhqqucO+GJbTPAdgwZmw+XHQZDL4MQmp/a0Zp+Qdcp3IxMHJnHng7d[/tex]', '[tex=3.714x2.857]favTAFzqPGrEJuUwfoys0L1aZ8Kyprw4ZHsMj52Fr53SdPcWT4U0AP44EJm4OjN3[/tex]', '[tex=4.214x2.786]VayJAJ4dPoPvWvsG3JDU0o7iOAdCyYqwtpuprslvZN8PykVzznSoi1j+WbzsWQ4OaFyN374Uic0rHwpCzugQiA==[/tex]', '[tex=4.214x2.857]DUVldNzBYbEjuzj4+8Nj4uWbbL1dy0wpfMy9QSElCDHMZMRbz4ZgVA97VR3kTcsDRuu9A/gRb2HCY1GRNeqXtQ==[/tex]'], 'type': 102}
在小样本的情况下,当总体方差未知时,检验总体均值所使用的统计量是 未知类型:{'options': ['[tex=4.857x2.714]thGPN+NpDnjUc50bfrvCgrvnZsC8wcFl6Tc1icI4k7X3i5CuM6H2xIaWbRKnf/9p[/tex]', '[tex=5.286x2.786]1katy7HSMZNNaP25gzc2wk0SV8lypUsyWDsvdmPWQfGkM+eFIcLyLam6kFJ4FJCg[/tex]', '[tex=4.214x2.786]AEOEBCnxqGrgREHrxrtaLY31v2dxFfRWUps2RMAXwTl9AB4ILa6TE5gtYheGBPfw[/tex]', '[tex=4.5x2.786]JcHsTbkO6vllG96Zt1E9y+lVECZ9Vn9CumQHDtPoE/eepjYodTvdmsLxtdTS6zQM[/tex]'], 'type': 102}
在小样本的情况下,当总体方差未知时,检验总体均值所使用的统计量是 未知类型:{'options': ['[tex=4.857x2.714]thGPN+NpDnjUc50bfrvCgrvnZsC8wcFl6Tc1icI4k7X3i5CuM6H2xIaWbRKnf/9p[/tex]', '[tex=5.286x2.786]1katy7HSMZNNaP25gzc2wk0SV8lypUsyWDsvdmPWQfGkM+eFIcLyLam6kFJ4FJCg[/tex]', '[tex=4.214x2.786]AEOEBCnxqGrgREHrxrtaLY31v2dxFfRWUps2RMAXwTl9AB4ILa6TE5gtYheGBPfw[/tex]', '[tex=4.5x2.786]JcHsTbkO6vllG96Zt1E9y+lVECZ9Vn9CumQHDtPoE/eepjYodTvdmsLxtdTS6zQM[/tex]'], 'type': 102}
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( $x)B(x)
判断下列推证是否正确。 (∀x)(A(x)→B(x))⇔(∀x)(¬A(x)∨B(x)) ⇔(∀x)¬( A(x)∧¬B(x) ) ⇔¬(∃x) ( A(x)∧¬B(x) ) ⇔¬( (∃x)A(x)∧(∃x)¬B(x) ) ⇔¬(∃x)A(x)∨¬(∃x)¬B(x) ⇔¬(∃x)A(x)∨(∀x)B(x) ⇔(∃x)A(x)→(∀x)B(x)
判断下列推证是否正确。 (∀x)(A(x)→B(x))⇔(∀x)(¬A(x)∨B(x)) ⇔(∀x)¬( A(x)∧¬B(x) ) ⇔¬(∃x) ( A(x)∧¬B(x) ) ⇔¬( (∃x)A(x)∧(∃x)¬B(x) ) ⇔¬(∃x)A(x)∨¬(∃x)¬B(x) ⇔¬(∃x)A(x)∨(∀x)B(x) ⇔(∃x)A(x)→(∀x)B(x)
以下谓词公式中,( )不是逻辑有效式。 A: ($x)(P(x)∧Q(x)) Þ ($x) P(x)∧($x) Q(x) B: ("x)(P(x)∧Q(x)) Þ ("x) P(x)∧("x) Q(x) C: ($x)(P(x)∧Q(x)) Û ($x) P(x)∧($x) Q(x) D: ("x)(P(x)∧Q(x)) Û ("x) P(x)∧("x) Q(x)
以下谓词公式中,( )不是逻辑有效式。 A: ($x)(P(x)∧Q(x)) Þ ($x) P(x)∧($x) Q(x) B: ("x)(P(x)∧Q(x)) Þ ("x) P(x)∧("x) Q(x) C: ($x)(P(x)∧Q(x)) Û ($x) P(x)∧($x) Q(x) D: ("x)(P(x)∧Q(x)) Û ("x) P(x)∧("x) Q(x)