设D=,求A11+A12+A13+A14=()。其中A1j为元素
A . -1
B . 1
C . 0
D . -2
[主观题]化简F(A,B,C,D)= m(1,3,4,5,10,11,12,13,14,15)的和。(威盛)
[单选题]I (11) (12) English girl. (13) name is Joan. I'm 12. I have a Chinese (14) . (15) name is Sun Hui. We're in the same(相同的)class. All her family (16) in China now. Her father is a teacher in our school. (17) teaches English.(18) mother is a nurse(护士)
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[单选题]11,14,12,20,13,30,(),44,15,()A.15,55B.14,60C.14,62D.15,60
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[单选题]设int i=10,j=11,k=12,x=0;执行语句: if(i>5) if(j>100) if(k>11) X=3; else x=4; else x=5; 后x的值是( )。A.0B.3C.4D.5
[单选题]逻辑函数Y(A,B,C,D)=∑m(0,1,2,3,4,6,8)+∑d(10,11,12,13,14)的最简与或表达式为( )。A.B.C.D.
[单选题]正常1岁6个月小儿平均有乳牙A.6~8颗B.9~11颗C.12~14颗D.13~15颗E.16~18颗