若两个相似三角形的对应高的比为2∶3,且周长的和为50 cm,则这两个相似三角形 发布时间:2017-05-01 21:15 │ 来源:www.tikuol.com 题型:填空题 问题: 若两个相似三角形的对应高的比为2∶3,且周长的和为50 cm,则这两个相似三角形的周长分别为________.
题型:填空题 看图写出正确的时间。1. -What's the time? -It's 5:00/________.2. -What's the time? -It's 4:30/________.3. -What's the time? -It's 11:00/________.4. -What's the time? -It's 1:30/________.5. -What's the time? -It's 3:30/________.6. -What's the time? -It's 8:00/________.7. -What's the time? -It's 3:00/________. 查看答案