Private Sub Command1_Click() a = CInt(InputBox("请输入第 1 个数:")) b = CInt(InputBox("请输入第 2 个数:")) c = CInt(InputBox("请输入第 3 个数:")) If a > b Then t = a:a = b:b = t If a > c Then t = a:a = c:c = t If b > c Then t = c:c = b:b = t MsgBox "最大的数是:" & c & ",最小的数是:" & a End Su