• 2022-06-30 问题

    图7-16所示结构的结点荷载列阵为[img=483x265]17a04dfbe6b8ea5.png[/img] 未知类型:{'options': ['[tex=14.857x1.571]mWIsVdxCmHEM70K5peWdxSTZvO2jebGR2FkO3XZAGsI/JWcQGAT40fuWgXHOK73bSOwzKnZbOcEA2gzpGeylhG9NGTSErYAr7hy5y2pzbg9BWI8Nj16MixwUSyd6lNnF[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxTbspPpiyslAY6i3WXjdGRgekUZBSR9/q1SRz2aaCQRq5+hxQOJaxvuxVtkhFjNL1C77/cONqIk6Xjc3/B9zcMfcgsWO0IVPRI8Siy8rC16W[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxc7SgGTRrfyHJ5jSYGmXEsJTFpDauKxeLOmXRS7Sfett7X0l5o+hXyBgZEA/PW1gcxi8adYqKcymB4Wu1a9PSBwTJ2HDpO0szZAw4GFI2Uk6[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxTbspPpiyslAY6i3WXjdGRjSXVdqDOQCP2Xrm6j8ooJ3e6xckm2THAKTnvcVeAdn9MRH8dE5BJ7D+HvWgRN89EvExGd1Oj7rslPcq2Ld5ao4[/tex]'], 'type': 102}

    图7-16所示结构的结点荷载列阵为[img=483x265]17a04dfbe6b8ea5.png[/img] 未知类型:{'options': ['[tex=14.857x1.571]mWIsVdxCmHEM70K5peWdxSTZvO2jebGR2FkO3XZAGsI/JWcQGAT40fuWgXHOK73bSOwzKnZbOcEA2gzpGeylhG9NGTSErYAr7hy5y2pzbg9BWI8Nj16MixwUSyd6lNnF[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxTbspPpiyslAY6i3WXjdGRgekUZBSR9/q1SRz2aaCQRq5+hxQOJaxvuxVtkhFjNL1C77/cONqIk6Xjc3/B9zcMfcgsWO0IVPRI8Siy8rC16W[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxc7SgGTRrfyHJ5jSYGmXEsJTFpDauKxeLOmXRS7Sfett7X0l5o+hXyBgZEA/PW1gcxi8adYqKcymB4Wu1a9PSBwTJ2HDpO0szZAw4GFI2Uk6[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxTbspPpiyslAY6i3WXjdGRjSXVdqDOQCP2Xrm6j8ooJ3e6xckm2THAKTnvcVeAdn9MRH8dE5BJ7D+HvWgRN89EvExGd1Oj7rslPcq2Ld5ao4[/tex]'], 'type': 102}

  • 2022-11-03 问题

    图7-16所示结构的结点荷载列阵为[img=483x265]17a04dfbe6b8ea5.png[/img] 未知类型:{'options': ['[tex=14.857x1.571]mWIsVdxCmHEM70K5peWdxSTZvO2jebGR2FkO3XZAGsI/JWcQGAT40fuWgXHOK73bSOwzKnZbOcEA2gzpGeylhG9NGTSErYAr7hy5y2pzbg9BWI8Nj16MixwUSyd6lNnF[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxTbspPpiyslAY6i3WXjdGRgekUZBSR9/q1SRz2aaCQRq5+hxQOJaxvuxVtkhFjNL1C77/cONqIk6Xjc3/B9zcMfcgsWO0IVPRI8Siy8rC16W[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxc7SgGTRrfyHJ5jSYGmXEsJTFpDauKxeLOmXRS7Sfett7X0l5o+hXyBgZEA/PW1gcxi8adYqKcymB4Wu1a9PSBwTJ2HDpO0szZAw4GFI2Uk6[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxTbspPpiyslAY6i3WXjdGRjSXVdqDOQCP2Xrm6j8ooJ3e6xckm2THAKTnvcVeAdn9MRH8dE5BJ7D+HvWgRN89EvExGd1Oj7rslPcq2Ld5ao4[/tex]'], 'type': 102}

    图7-16所示结构的结点荷载列阵为[img=483x265]17a04dfbe6b8ea5.png[/img] 未知类型:{'options': ['[tex=14.857x1.571]mWIsVdxCmHEM70K5peWdxSTZvO2jebGR2FkO3XZAGsI/JWcQGAT40fuWgXHOK73bSOwzKnZbOcEA2gzpGeylhG9NGTSErYAr7hy5y2pzbg9BWI8Nj16MixwUSyd6lNnF[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxTbspPpiyslAY6i3WXjdGRgekUZBSR9/q1SRz2aaCQRq5+hxQOJaxvuxVtkhFjNL1C77/cONqIk6Xjc3/B9zcMfcgsWO0IVPRI8Siy8rC16W[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxc7SgGTRrfyHJ5jSYGmXEsJTFpDauKxeLOmXRS7Sfett7X0l5o+hXyBgZEA/PW1gcxi8adYqKcymB4Wu1a9PSBwTJ2HDpO0szZAw4GFI2Uk6[/tex]', '[tex=13.286x1.571]mWIsVdxCmHEM70K5peWdxTbspPpiyslAY6i3WXjdGRjSXVdqDOQCP2Xrm6j8ooJ3e6xckm2THAKTnvcVeAdn9MRH8dE5BJ7D+HvWgRN89EvExGd1Oj7rslPcq2Ld5ao4[/tex]'], 'type': 102}

  • 2022-05-28 问题

    作函数的图像:[tex=13.286x1.571]6U8NLalX2dcXsoPE7WuDbIwK88eaWQC/5CnbafB2gb0pvMHNTjungxISWy/60VXX[/tex]

    作函数的图像:[tex=13.286x1.571]6U8NLalX2dcXsoPE7WuDbIwK88eaWQC/5CnbafB2gb0pvMHNTjungxISWy/60VXX[/tex]

  • 2022-06-08 问题

    求证 [tex=13.286x1.571]GNlVMpontaq9crVOi7ngmG7LK5JzmnuHwIdNNv0enraiBq/6DtsMcww/8w7jaFktzgHYx/xF4eNS59C/HN4N5A==[/tex] 为 [tex=0.929x0.786]VF0GLe2VBE/4VKNzpyOfFg==[/tex] 与 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 的最大公因数.

    求证 [tex=13.286x1.571]GNlVMpontaq9crVOi7ngmG7LK5JzmnuHwIdNNv0enraiBq/6DtsMcww/8w7jaFktzgHYx/xF4eNS59C/HN4N5A==[/tex] 为 [tex=0.929x0.786]VF0GLe2VBE/4VKNzpyOfFg==[/tex] 与 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 的最大公因数.

  • 2022-06-16 问题

    设 [tex=13.286x1.571]3NeE/+b7wqfz7bsxCdTwuMoTPj+6H2QZDOxE7fAItoVpAELDg20RrzMsVOmVFiurOchFImkEtyGJIDLnGrK1HA==[/tex] 为解析函数,求 [tex=0.357x1.0]s/GoTwfodlUYfjZgjlUDtA==[/tex], [tex=0.929x0.786]D9maNLyVVGrC3QbL9jjRWg==[/tex], [tex=0.643x0.786]35ReWWGs/YPu3n9y5K5w7g==[/tex] 的值.

    设 [tex=13.286x1.571]3NeE/+b7wqfz7bsxCdTwuMoTPj+6H2QZDOxE7fAItoVpAELDg20RrzMsVOmVFiurOchFImkEtyGJIDLnGrK1HA==[/tex] 为解析函数,求 [tex=0.357x1.0]s/GoTwfodlUYfjZgjlUDtA==[/tex], [tex=0.929x0.786]D9maNLyVVGrC3QbL9jjRWg==[/tex], [tex=0.643x0.786]35ReWWGs/YPu3n9y5K5w7g==[/tex] 的值.

  • 2022-06-06 问题

    设函数对一切实数 [tex=0.571x0.786]ZKO2xs0EgSemzoH7MSmYTA==[/tex] 满足 [tex=13.286x1.571]k0UreDf08LXfdKLBpePCpqitGDSeSRW7TfozM3pl0FlWROOUrH1U+zQ5qCLSPs2Z0XIAkH03GerJ9266L8q6iYMd2tfAo7u3hTAxuq2Bsfo=[/tex].如果 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 在点 [tex=1.857x1.0]bOlCq/PHWhsSVMaVf7Obdg==[/tex] 处有极值,问它是极小值还是极大值?

    设函数对一切实数 [tex=0.571x0.786]ZKO2xs0EgSemzoH7MSmYTA==[/tex] 满足 [tex=13.286x1.571]k0UreDf08LXfdKLBpePCpqitGDSeSRW7TfozM3pl0FlWROOUrH1U+zQ5qCLSPs2Z0XIAkH03GerJ9266L8q6iYMd2tfAo7u3hTAxuq2Bsfo=[/tex].如果 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 在点 [tex=1.857x1.0]bOlCq/PHWhsSVMaVf7Obdg==[/tex] 处有极值,问它是极小值还是极大值?

  • 2022-06-30 问题

    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}

  • 2021-04-14 问题

    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)

  • 2021-04-14 问题

    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)

  • 2022-06-29 问题

    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)

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