130×20的结果是____
- Do you know Victory Day in China?
- Yes, it's _______ September 3rd _______ each year. It tells the world that Chinese people love peace and hate wars. Chinese people will never forget the history.
已知等腰三角形ABC的腰长为13cm，另一边长是10cm，由顶点作高AD．求高AD的长；
—Let's _______ to visit Miss Lin this weekend.
—Good idea.
