A.4
- A4
- B6
- C10
- D12
A={1,2},B={3,4},A∩B=()。AΦBACBD{1,2,3,4}
2、已知(P/A,10%,4)=3.170,(F/A,10%,4)=4.641,
已知(P/A,10%,4)=3.170,(F/A,10%,4)=4.641,则相应的偿债基金系数为( )。A0.315B5.641C0.215D3.641
3、已知a="12345678",则表达式Left(a,4)+Mid(a,4,2
已知a="12345678",则表达式Left(a,4)+Mid(a,4,2)的值是()A123456B"123445"C123445D1279
4、设向量a=(-2,4,4),b=(0,6,3),则a与b的夹角为().
设向量a=(-2,4,4),b=(0,6,3),则a与b的夹角为().ABCD
逗号表达式(a=3*5,a*4),a+15的值为()。A15B60C30D不确定
int a = -25, a>>4 的结果为()A0B-1C-2D1