已知集合A={x|-1≤x≤4},B={y|y=8-2^x,x∈A}
已知集合A={x丨-1≤x≤4},B={y丨y=8-2^x,x∈A},C={y丨y=2x+a,x∈A},若满足CX
已知集合A={(x,y)| (y-3)/ (x-1)=2,x,y∈R},B={(x,y)| 4x+ay=16,x,y∈
已知集合A={(x,y)|(y-2)/(x-1)=a+2,x,y∈R},B={(x,y)|(a²-4)x+(a
已知集合A={x|-1≤x≤4},B={y|y=8-2^x,x∈A}
已知集合A={(x,y)|x²+y²≤1.x.y∈R},B={(x,y)||x|+|y|≤2.x.y
已知集合A={(x,y)|x≥1y≤1x-y≤2}
1.已知集合A={(x,y)|y=2x+1},B={(x,y)|y=x+3},a∈A,b∈B,求a
已知集合A={x|-2≤x≤a},B={y|y=2x+3,x∈A},C={z|z=x×x,x∈A},若集合C属于集合B,
已知集合A={x/-1≤x≤3},B={y/y=x^2,x∈A},C={y/y=2x+a,x∈A},若满足C包含于B,求
已知集合A={y|y=log1/2 (x-x²)},B={x|a^(x-3)≤(1/a)^(2x-9),a>0
已知集合A={x/-1≤x≤3},B={y/x²=y,x∈A},C={y/y=2x+a,x∈A},若满足C包含
已知集合A={x|-1≤x≤3},B={y|x²=y,x∈A},C={y|y=2x+a,x∈A},