求3.概率论与计算求3.概率论与计算
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求3.概率论与计算求3.概率论与计算
求3.概率论与计算
求3.
概率论与计算
求3.概率论与计算求3.概率论与计算
3)答案错误
not(notA and notB)
=A or B
=AUB
={2,3,4,5}
4)答案错误
not(A and not(B and C))
=notA or(B and C)
BC={5}
notA={1,5...10}
正确答案是{1,5,...10}
5)
not(A and (B or C))
=notA or not(B or C)
{1,5...10}U{1,2,8,9,10}
={1,2,5...10}