题目内容
(请给出正确答案)
[单选题]
×(1/4+1/3+1/2)-(1+1/4+1/3+1/2)×(1/4+1/3)=()
A.1/6
B.1/3
C.2/3
D.1/2
答案
D、1/2
如果结果不匹配,请 联系老师 获取答案
A.1/6
B.1/3
C.2/3
D.1/2
D、1/2
设有如下程序: Private Sub Commandl Click() Dimsum As Double,x As D0uble sum=0 n=0 For i=1 To 5 x=n/i n=n+1 sum=sum+x Next End Sub 该程序通过For循环计算一个表达式的值,这个表达式是______。
A.1+1/2+2/3+3/4+4/5
B.1+1/2+2/3+3/4
C.1/2+2/3+3/4+4/5
D.1+1/2+1/3+1/4+1/5
A.9×12%=1.08(万元)
B.1000×(1-30%)×1.2%÷12×3+1×9×12%=3.18(万元)
C.1000×(1-30%)×1.2%÷12×4+1×8×12%=3.76(万元)
D.1000×(1-30%)×1.2%=8.4(万元)