• 2021-04-14
    Fe3+与Sn2+反应的平衡常数对数值(lgK)为()http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201704/f71f07ed56f9466fa352e59a2692f5f7.png
  • 2×(0.77-0.15)/0.059

    内容

    • 0

      这是哪位设计师的作品?()http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201704/d6b9f18ad26b4d8f89f693b93bd1b0c7.jpg

    • 1

      设f(x)连续函数,则=( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/d61df8d810544f27ada3ecb86c2d853a.png

    • 2

      若f(x)是[a,b]上的可导函数,且f(a)=f(b)  ,则至少存在一点ξ,使.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/5c852ad6f0884edb8dd79ae30c470f2e.png

    • 3

      若f(x)是[a,b]上的可导函数,且f(a)=f(b) ,则至少存在一点ξ,使 .http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/5c852ad6f0884edb8dd79ae30c470f2e.png

    • 4

      若f(x)是[a,b]上的可导函数,且f(a)=f(b),则至少存在一点ξ,使.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/5c852ad6f0884edb8dd79ae30c470f2e.png