集合A={x丨丨x丨≤3,x∈Z},B={y丨y=x+1,x∈A},C={z丨z=2y-1,y∈B} (1):用列举法表示结合A、B、C (2):求A∩C,B∪C
问题描述:
集合A={x丨丨x丨≤3,x∈Z},B={y丨y=x+1,x∈A},C={z丨z=2y-1,y∈B} (1):用列举法表示结合A、B、C (2):求A∩C,B∪C
答
A={-3,-2,-1,0,1,2,3} B={1,2,5,10} C={1,3,9,19} A∩C={1,3} B∪C={1,2,3,5,9,10,19}