在以下四种情况中,哪一种实现了生产要素的最适组合:()
A、MPK/PK
B、MPK/PK>MPL/PL
C、MPK/PK=MPL/PL
D、MPK/PK≥MPL/PL
参考答案:C
已知整式2x2+ax-y+6与整式2bx2-3x+5y-1的差与字母x的值无关,试求代数式2(ab2+2b3-a2b)+3a2-(2a2b-3ab2-3a2)的值.
本程序的功能是按下列公式编写求积分余弦函数值,当通项的绝对值小于10 时停止计算,请完善本程序。(提示:函数fact是用递归求阶乘。)f(x)=lnx+ , x>0 Option Explicit Private Sub Command1_Click()Dim x As Single,y As SingleDim k As Integer,tx As Singlex=Val(Text1.Text)y=Log(x)Do k=k+1 tx=___(16)___ y=y+txLoop while ___(17)___Text2.Text=Format(y,"0.#######") End Sub Private Function fact(ByVal n As Integer)As LongIf n<=1 Then fact=1Else fact=___(18)___EndIf End Function