(0.8a+0.3b)/(0.2a-0.7b)各项系数是?
来源:百度知道 编辑:UC知道 时间:2024/05/28 05:16:58
化简后能求出系数就可以了
VB语言:
Private Function Change(Text As TextBox, label As label) As String
Dim Temp As Integer
If IsNumeric(Text.Text) Then
Temp = Text.Text
label.Caption = Chr(Temp + 64)
Else
MsgBox "请输入数字"
End If
End Function
Private Sub Command1_Click()
Change Text1, Label1
End Sub
(0.8a+0.3b)/(0.2a-0.7b)各项系数是?
A*B=A+B/AB
计算[(a-b)/(a+b)]+[(a+b)/(b-a)]
已知:a<b且a/b>0,求|a|-|b|+|a-b|+|ab|.
化简:(2a-b-c)/(a-b)(a-c)+(2b-c-a)/(b-c)(b-a)+(2c-a-b)/(c-a)(c-b)
a/(a-b)(a-c)+b/(b-c)(b-a)-c/(c-a)(c-b)
a>b>0,证明(a-b)/a<ln(a/b)<(a-b)/b
A>B,A*B/(A+B)=169,A+B是某数的平方,求A,B
设a,b∈R ,集合{1,a+b,a}={0,b/a,b},则b-a=
(a+b/a-b)^2乘以2a-2b/3a+3b -a^2/a^2-b^2除以a/b