中缀表达式23+((12*3-2)/4+34*5/7)+108/9对应的后缀表达式为（）。 A: 23 12 + 3 * 2 – 4 / 34 5 * 7 / + 108 9 / + B: 23 12 3 * 2 4 – / 34 5 * 7 / + + 108 9 / + C: 23 12 3 * 2 – 4 / 34 5 * 7 / + 108 9 / + + D: 23 12 3 * 2

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2022-06-07 问题

中缀表达式23+((123-2)/4+345/7)+108/9对应的后缀表达式为（）。 A: 23 12 + 3 * 2 – 4 / 34 5 * 7 / + 108 9 / + B: 23 12 3 * 2 4 – / 34 5 * 7 / + + 108 9 / + C: 23 12 3 * 2 – 4 / 34 5 * 7 / + 108 9 / + + D: 23 12 3 * 2 – 4 / 34 5 * 7 / + + 108 9 / +

中缀表达式23+((12*3-2)/4+34*5/7)+108/9对应的后缀表达式为（）。 A: 23 12 + 3 * 2 – 4 / 34 5 * 7 / + 108 9 / + B: 23 12 3 * 2 4 – / 34 5 * 7 / + + 108 9 / + C: 23 12 3 * 2 – 4 / 34 5 * 7 / + 108 9 / + + D: 23 12 3 * 2 – 4 / 34 5 * 7 / + + 108 9 / +

2021-04-14 问题

【填空题】运行下面程序,其输出结果为 void main() { int iA 1, iA 2, iA 3=258; iA 1=97 ; iA 2=98; printf(" iA 1=%c, iA 2=%c, iA 3=%c", iA 1, iA 2, iA 3); } (7.0分)

2022-05-31 问题

ia=3 10\ia= A: 3.3333333333 B: 3

2022-06-12 问题

商品的需求函数为( ) A: Qst=S(Pt，At) B: Qdt=D(Pt，Bt) C: Qst=D(Pt，At) D: Qdt=S(Pt，At)

2022-06-18 问题

程序填空：程序采用选择法对数组元素进行从大到小排序。请将题目[填空]处的内容补充完整，使程序完成指定的功能。Private Sub Command1_Click() Dim iA(1 To 6),i%,j%,k%,n% n = 6 iA(1) = 8: iA(2) = 6: iA(3) = 9: iA(4) = 3: iA(5) = 2: iA(6) = 7 For i = 1 To n - 1 k=i For j = To n If iA(j) > iA(k) Then End If Next j t = iA(i) __ iA(k) = t For m = 1 To n Print iA(m); Next m Print Next iEnd Sub答案2: 答案3:

程序填空：程序采用选择法对数组元素进行从大到小排序。请将题目[填空]处的内容补充完整，使程序完成指定的功能。Private Sub Command1_Click() Dim iA(1 To 6),i%,j%,k%,n% n = 6 iA(1) = 8: iA(2) = 6: iA(3) = 9: iA(4) = 3: iA(5) = 2: iA(6) = 7 For i = 1 To n - 1 k=i For j = ______ To n If iA(j) > iA(k) Then ______ End If Next j t = iA(i) ______ iA(k) = t For m = 1 To n Print iA(m); Next m Print Next iEnd Sub答案2: 答案3:

2022-05-27 问题

Using the notation Pt to designate this period's price level and Pt-1 to designate last period's price level, the formula for measuring the inflation rate from last period to this period is A: [(Pt - Pt - 1) / Pt] × 100. B: [(Pt -1 - Pt) / Pt - 1] × 100. C: [(Pt - Pt - 1) / Pt - 1] × 100. D: [(Pt -1 - Pt) / Pt] × 100.

Using the notation Pt to designate this period's price level and Pt-1 to designate last period's price level, the formula for measuring the inflation rate from last period to this period is A: [(Pt - Pt - 1) / Pt] × 100. B: [(Pt -1 - Pt) / Pt - 1] × 100. C: [(Pt - Pt - 1) / Pt - 1] × 100. D: [(Pt -1 - Pt) / Pt] × 100.

2022-11-03 问题