选择题:设A={1,2},B={1},A×B=()。AB{(1,1),(2,1)}CD 题目分类:兰州工业大学线性代数 题目类型:选择题 查看权限:VIP 题目内容: 设A={1,2},B={1},A×B=()。AB{(1,1),(2,1)}CD 参考答案:
The doctor’s report ____ that her death was due to The doctor’s report ____ that her death was due to heart disease.( )(本题1.0分) A、 分类:兰州工业大学线性代数 题型:选择题 查看答案