三角形两边的长分别为2和5，第三边的长是方程
的根，则该三角形的周长为
12
三角形两边的长分别为2和5，第三边的长是方程的根，则该三角形的周长为
有大小两种货车，2辆大货车与3辆小货车一次可以运货15.5t，5辆大货车与6辆小货车一次可以运货35t，则3辆大货车与2辆小货车一次可以运货__t
Amanda read the article_______，and found something important in it.
正八边形一个内角的度数为．
—How do you like his speech?
—I think it’s ________, but some people think it’s so ________.
The coat is nice, but it’s not ________.
When you feel helpless and ________, just remember you are not ________ in the world because yourfriends are around you.
The old man lives___________ ， but he doesn't feel ________.
