设全集U={x|x}∈N*,且X≤10},其子集A={1,2,4,5,9},B={4,6,7,8,10} 求A∩B,A∪B.里面C是怎么来的∵U={x|x}∈N*,且X≤10}={1,2,3,4,5,6,7,8,9,10}A={1,2,4,5,9}B={4,6,7,8,10}C={3,5,7}这里的"C"是怎么得到?我的书上这道题标准

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设全集U={x|x}∈N*,且X≤10},其子集A={1,2,4,5,9},B={4,6,7,8,10} 求A∩B,A∪B.里面C是怎么来的∵U={x|x}∈N*,且X≤10}={1,2,3,4,5,6,7,8,9,10}A={1,2,4,5,9}B={4,6,7,8,10}C={3,5,7}这里的
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设全集U={x|x}∈N*,且X≤10},其子集A={1,2,4,5,9},B={4,6,7,8,10} 求A∩B,A∪B.里面C是怎么来的∵U={x|x}∈N*,且X≤10}={1,2,3,4,5,6,7,8,9,10}A={1,2,4,5,9}B={4,6,7,8,10}C={3,5,7}这里的"C"是怎么得到?我的书上这道题标准
设全集U={x|x}∈N*,且X≤10},其子集A={1,2,4,5,9},B={4,6,7,8,10} 求A∩B,A∪B.里面C是怎么来的
∵U={x|x}∈N*,且X≤10}
={1,2,3,4,5,6,7,8,9,10}
A={1,2,4,5,9}
B={4,6,7,8,10}
C={3,5,7}
这里的"C"是怎么得到?
我的书上这道题标准答案里C的确写的是{3,5,7} 是不是印错了呢..

设全集U={x|x}∈N*,且X≤10},其子集A={1,2,4,5,9},B={4,6,7,8,10} 求A∩B,A∪B.里面C是怎么来的∵U={x|x}∈N*,且X≤10}={1,2,3,4,5,6,7,8,9,10}A={1,2,4,5,9}B={4,6,7,8,10}C={3,5,7}这里的"C"是怎么得到?我的书上这道题标准
A∩B=(4)
A∪B=(1,2,4,5,6,7,8,9,10)
C应该是A,B的补集得(3)才对

肯定看错了哇

C不会是下一到题的答案吧