1.uncle Zhao ran around the swimming pool 6 time before he g
1.uncle Zhao ran around the swimming pool 6 time before he got in the water,the length and width has 30m different,he ran 1080m for total find the length and width of the pool?这是一道英语奥数题! 2.Two same length electric line,the first line used 46m.the second line used 19m.the second line remain 4tines of the first remained.How long are the 2 line at begin? 可否帮忙翻译并做下,