• 2022-06-07 问题

    Thenumber(1+i)isarootoftheequation.x3-8x2+14x-12=0Findtheotherrootsoftheequation.Questionoptions: A: x=1-i B: x=1+i C: x=7 D: x=6

    Thenumber(1+i)isarootoftheequation.x3-8x2+14x-12=0Findtheotherrootsoftheequation.Questionoptions: A: x=1-i B: x=1+i C: x=7 D: x=6

  • 2021-04-14 问题

    中国大学MOOC: The syntactic rules of any language are finite in number, but there is no limit to thenumber of sentences native speakers of that language are able toproduce and comprehend.

    中国大学MOOC: The syntactic rules of any language are finite in number, but there is no limit to thenumber of sentences native speakers of that language are able toproduce and comprehend.

  • 2022-06-04 问题

    Anumber<em>a</em>increasedby20%ofaresultsinanumber<em>b</em>.When<em>b</em>isdecreasedby33(1/3)%of<em>b</em>,theresultis<em>c</em>.Thenumber<em>c</em>iswhatpercentof<em>a</em>? A: 40% B: 60% C: 80% D: 120% E: 150%

    Anumber<em>a</em>increasedby20%ofaresultsinanumber<em>b</em>.When<em>b</em>isdecreasedby33(1/3)%of<em>b</em>,theresultis<em>c</em>.Thenumber<em>c</em>iswhatpercentof<em>a</em>? A: 40% B: 60% C: 80% D: 120% E: 150%

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