设A={x|x是小于9的正整数},B={1,2,3},C={3,4,5,6},求A∩B,A∩C,...设A={x|x是小于9的正整数},B={1,2,3},C={3,4,5,6},求A∩B,A∩C,A∩(B∪C),A∪(B∩C)
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设A={x|x是小于9的正整数},B={1,2,3},C={3,4,5,6},求A∩B,A∩C,...设A={x|x是小于9的正整数},B={1,2,3},C={3,4,5,6},求A∩B,A∩C,A∩(B∪C),A∪(B∩C)
设A={x|x是小于9的正整数},B={1,2,3},C={3,4,5,6},求A∩B,A∩C,...
设A={x|x是小于9的正整数},B={1,2,3},C={3,4,5,6},求A∩B,A∩C,A∩(B∪C),A∪(B∩C)
设A={x|x是小于9的正整数},B={1,2,3},C={3,4,5,6},求A∩B,A∩C,...设A={x|x是小于9的正整数},B={1,2,3},C={3,4,5,6},求A∩B,A∩C,A∩(B∪C),A∪(B∩C)
A∩B={1,2,3}
A∩C={3,4,5,6}
A∩(B∪C)={1,2,3,4,5,6}
A∪(B∩C)={1,2,3,4,5,6,7,8}
设A={x|x是小于9的正整数},B={1,2,3},C={3,4,5,6}
A∩B={1,2,3}
A∩C={3,4,5,6}
A∩(B∪C)={1,2,3,4,5,6}
A∪(B∩C)={1,2,3,4,5,6,7,8,9}
A={1,2,3,4,5,6,7,8},
B={1,2,3},
C={3,4,5,6},
A∩B={1,2,3},
A∩C={3,4,5,6},
A∩(B∪C)={1,2,3,4,5,6},
A∪(B∩C)={1,2,3,4,5,6,7,8},
A∩B={1,2,3} A∩C={3,4,5,6} A∩(B∪C)={1,2,3,4,5,6} A∪(B∩C)={3}
A∩B=B={1,2,3}
A∩C=C={3,4,5,6}
A∩(B∪C)=(B∪C)={1,2,3,4,5,6}
A∪(B∩C)=A={x|x是小于9的正整数}