2012年11月20日 星期二

VB101程式小考_2nd


觀察下列兩個等式有何規律?
       (1)12 ×42=21 ×24  
       (2)13 ×62=31 ×26
 利用你所發現的規律,請寫程式再找出3個類似的等式(兩數皆為兩位數)!

9 則留言:

  1. Private Sub Form_Load()
    Me.Hide
    Open App.Path & "\out.txt" For Output As #1
    For ai = 1 To 4
    For bi = 1 To 4
    If (ai * 10 + bi) * (ai * 2 + bi * 2 * 10) = (bi * 10 + ai) * (ai * 2 * 10 + bi * 2) Then Print #1, (ai * 10 + bi) & "×" & (ai * 2 + bi * 2 * 10) & "=" & (bi * 10 + ai) & "×" & (ai * 2 * 10 + bi * 2)
    Next
    Next
    Close #1
    End
    End Sub

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  2. 題目說什麼做什麼不用添加太多~
    還有像11*22 = 11 * 22 可以不用輸出

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  3. Private Sub Form_Load()
    Me.Hide
    Open App.Path & "\out.txt" For Output As #1
    For ai = 1 To 4
    For bi = 1 To 4
    If (ai * 10 + bi) * (ai * 2 + bi * 2 * 10) = (bi * 10 + ai) * (ai * 2 * 10 + bi * 2) And (ai * 10 + bi) <> (bi * 10 + ai) Then
    mycount = mycount + 1
    If mycount >= 3 And mycount <= 5 Then Print #1, (ai * 10 + bi) & "×" & (ai * 2 + bi * 2 * 10) & "=" & (bi * 10 + ai) & "×" & (ai * 2 * 10 + bi * 2)
    End If
    Next
    Next
    Close #1
    End
    End Sub

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  4. 作者已經移除這則留言。

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  5. Private Sub Form_Load()
    Me.Hide
    Open App.Path & "\out.txt" For Output As #1
    For ai = 3 To 4
    For bi = 1 To 4
    If (ai * 10 + bi) * (ai * 2 + bi * 2 * 10) = (bi * 10 + ai) * (ai * 2 * 10 + bi * 2) And (ai * 10 + bi) <> (bi * 10 + ai) Then
    mycount = mycount + 1
    If mycount >= 3 And mycount <= 5 Then Print #1, (ai * 10 + bi) & "×" & (ai * 2 + bi * 2 * 10) & "=" & (bi * 10 + ai) & "×" & (ai * 2 * 10 + bi * 2)
    End If
    Next
    Next
    Close #1
    End
    End Sub


    out.txt
    34×86=43×68
    41×28=14×82
    42×48=24×84

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  6. 作者已經移除這則留言。

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  7. 作者已經移除這則留言。

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  8. Private Sub Form_Load()
    Me.Hide
    Open App.Path & "\out.txt" For Output As #2
    For i = 1 To 3
    For j = 4 To 6
    r = Val(StrReverse((i & j) * 2))
    If (i & j) * r = (j & i) * Val(StrReverse(r)) Then Print #1, (i & j) & "*" & r & "=" & (j & i) & "*" & Val(StrReverse(r))
    Next j
    Next i
    Close #1
    End
    End Sub

    'out.txt
    14*82=41*28
    24*84=42*48
    34*86=43*68

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