更多"下列程序中,a,b,c代表一个三角形的三条边,程序的作用是判断一个三角"的相关试题:
[填空题]下列程序中,a,b,c代表一个三角形的三条边,程序的作用是判断一个三角形是否成立,请填写空白处。
If a+b<c______b+c<a______a+c<b Then
MsgBox("这三条边不能构成一个三角形")
End If
[填空题]阅读下面的程序,请填写空白处的语句,并且回答程序后面的问题:
DSEG SEGMENT
ARR DB 45,21,79, 52, 17, 96
CNT EQU $-ARR
DSEG ENDS
SSEG SEGMENT STACK
DB 60 DUP( )
SSEG ENDS
CSEG SEGMETN
Assume CS: CSEG, DS: DSEG, SS: SSEG
CSEG ENDS
MAIN PROC FAR
START: PUSH DS
MOV Ax, 0
PUSH AX
MOV AX, DSEG
MOV DS, Ax
MOV DL, 1
LP1: CMP DL, O
JE FINISH
XOR DL, DL
MOV CX,CNT
DEC CX
MOV SI, CNT-1
LP2: MOV AL, ARR [SI]
CMP AL, ARR [SI-1]
JAE NEXT
XCHG ARR [SI-1],AL
MOV ARR[SI],AL
MOV DL, 1
NEXT: DEC SI
LOOP LP2
JMP 【6】
FINISH:RET
MAIN ENDP
CSEG ENDS
END START
[单项选择]△ABC是等边三角形,且三条边边长分别为a,b,c。()
(1)△ABC的三边满足a2+b2+c2=ab+bc+ac
(2)△ABC的三边满足a3-a3b+ab2+ac2-b3-bc2=0
A. 条件(1)充分,但条件(2)不充分
B. 条件(2)充分,但条件(1)不充分
C. 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分
D. 条件(1)充分,条件(2)也充分
E. 条件(1)和(2)单独都不充分,条件(1)和条件(2)联合起来也不充分
[简答题]菱形ABCD的中心为M(0,1),又知道A(1,-1)和AB所在直线的方程为x+y=0.求另外三条边的方程.
[填空题]11,在程序的空白处填写适当的语句(一个空白处只能填写一条语句),使程序完成相应的计算。程序计算Sn的值,Sn=a+aa+aaa+…+aaa…a,其中最后一项为n个。
例如,a=5,n=4时,则:
Sn=5+55+555+5555
Dim a As Integer, n As Integer, Cout As Integer
Dim Sn As Long,Tn As Long
Count=1:Sn=0.Tn=0
A=InputBox("请输入a的值:")
______
Do
Tn=Tn+a
Sn=Sn+Tn
Count=Count+1
Debug.Print a,n,Sn
[填空题]在程序的空白处填写适当的语句(一个空白处只能填写一条语句),使程序完成相应的数据处理。Form_Load事件过程给数组赋初值35,48,15,22,67。Form_Click事件过程对数组元素进行处理。
DimA rr(1 To 5)
Private Sub Form_Load( )
[11]
End Sub
Private Form_Click( )
[12]
If Int(x/3)=x/3 Then
PrintX
End If
Next X
End Sub
[填空题]在程序的空白处填写适当的语句(一个空白处只能填写一条语句),使程序完成相应的操作。窗体上有文本框Text1和若干复选框,其中复选框Check1设置文本框Text1上显示的文本是否加下画线。Check1的单击事件过程如下:
Private Sub Check1_Click( )
______
Text1.FontUnderLine=True
Elself______
Text1.FontUnderLine=False
End If
End Sub
[单项选择]
下面的短文有15处空白,请根据短文的内容为每处空白处确定一个最佳选项。
Jewel Thief Captured At
1:30 this morning, local police finally caught the jewel thief whom they had
been trying to trap (诱捕) for the past two months. {{U}} (51) {{/U}} the
man they arrested, James Smith, {{U}} (52) {{/U}} that he was the thief,
he was captured with several diamond rings in his {{U}} (53) {{/U}}. Po-
lice saw Smith leaving a jewelry store on Main Street at 1:16 A, M..
{{U}} (54) {{/U}} seeing the police, Smith jumped {{U}} (55)
{{/U}} his auto, and a high-speed chase followed for the next fourteen
minutes. The police finally {{U}} (56) {{/U}} Smith off the road and his
{{U}} (57) {{/U}} hit a tree. When the police searched
Smith’s {{U}} (58) {{/U}}, they found the diamond rings hidden in an
inside pocket of his jacket. Although Smit A. evidence B. suspect C. opinion D. doubt
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