来自胡林果的问题
已知集合A={0,1,2},B={z|z=x+y,x∈A,y∈A},则B=()A.{0,1,2,3,4}B.{0,1,2}C.{0,2,4}D.{1,2}
已知集合A={0,1,2},B={z|z=x+y,x∈A,y∈A},则B=()
A.{0,1,2,3,4}
B.{0,1,2}
C.{0,2,4}
D.{1,2}
1回答
2020-02-08 14:05