• 2022-05-27 问题

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  • 2022-06-16 问题

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  • 2022-07-27 问题

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  • 2022-05-30 问题

    [tex=31.357x1.286]ywioJPQGTzxma7SKJCI6PdYbVrIdl5+auIUIq9FLowN2lKJtnMg6AySKrnVU6LOMQdHFz+CDE6DOUfm1mlGrvX+P0c/3IfTvDthmch9xc08L5uuWIHOe3GO1+Veh+blbOsM4jLqnws78PSRzNs2svw==[/tex][tex=23.786x1.286]tb0sAT2027o65FQyKhis0vqH53OIHyVpmYi7R4ww2+OhpN3UIDkaOjvBDoAMoI/x+ajXCmndxYAsshaScpKiWDYRnxazw0RKI3s1WIxzcmO1BYzJYV/n7ALVnl9E/dIL[/tex][tex=19.357x1.286]F0n5ljG266IqfjXSU5oDMgnr03Tr3JS3wLMmvShQ4POuhOgTNCfzEwdTDZNa391gX32SaDdVFGd7QgvOzUU1FoPbF9yZyLpqmPJuOgMzboNjOzA3F6x4iCmFQDW2EeRg[/tex]

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  • 2022-06-06 问题

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  • 2022-05-29 问题

    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

  • 2022-06-09 问题

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  • 2022-06-09 问题

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  • 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)

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