题目内容：
能产生均值为5的指数随机数的MATLAB程序是（ ）A.-5*ln(rand)
B.-log(rand)/5
C.-5*log(rand)
D.5*log(rand)
参考答案：
选择题：能产生均值为5的指数随机数的MATLAB程序是（ ）A.-5*ln(rand)B.-log(ra
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A.-5*ln(rand)
B.-log(rand)/5
C.-5*log(rand)
D.5*log(rand)
A.-5*ln(rand)
B.-log(rand)/5
C.-5*log(rand)
D.5*log(rand)
逻辑函数Y(A,B,C,D)=∑m(1,2,4,9,10,11,12)的最简与或式为（）A.BC’D
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