每支玫瑰花3.5元,李叔叔买11枝红玫瑰和一些黄玫瑰,一共花了70元,他买了多少支黄玫瑰?解法一:()+()=70解法二:()*()=70解法三:()-()=3.5*11解法四:()/()=3.5
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/24 10:23:21
![每支玫瑰花3.5元,李叔叔买11枝红玫瑰和一些黄玫瑰,一共花了70元,他买了多少支黄玫瑰?解法一:()+()=70解法二:()*()=70解法三:()-()=3.5*11解法四:()/()=3.5](/uploads/image/z/7543051-43-1.jpg?t=%E6%AF%8F%E6%94%AF%E7%8E%AB%E7%91%B0%E8%8A%B13.5%E5%85%83%2C%E6%9D%8E%E5%8F%94%E5%8F%94%E4%B9%B011%E6%9E%9D%E7%BA%A2%E7%8E%AB%E7%91%B0%E5%92%8C%E4%B8%80%E4%BA%9B%E9%BB%84%E7%8E%AB%E7%91%B0%2C%E4%B8%80%E5%85%B1%E8%8A%B1%E4%BA%8670%E5%85%83%2C%E4%BB%96%E4%B9%B0%E4%BA%86%E5%A4%9A%E5%B0%91%E6%94%AF%E9%BB%84%E7%8E%AB%E7%91%B0%3F%E8%A7%A3%E6%B3%95%E4%B8%80%EF%BC%9A%EF%BC%88%EF%BC%89%2B%EF%BC%88%EF%BC%89%3D70%E8%A7%A3%E6%B3%95%E4%BA%8C%EF%BC%9A%EF%BC%88%EF%BC%89%2A%EF%BC%88%EF%BC%89%3D70%E8%A7%A3%E6%B3%95%E4%B8%89%EF%BC%9A%EF%BC%88%EF%BC%89-%EF%BC%88%EF%BC%89%3D3.5%2A11%E8%A7%A3%E6%B3%95%E5%9B%9B%EF%BC%9A%EF%BC%88%EF%BC%89%2F%EF%BC%88%EF%BC%89%3D3.5)
每支玫瑰花3.5元,李叔叔买11枝红玫瑰和一些黄玫瑰,一共花了70元,他买了多少支黄玫瑰?解法一:()+()=70解法二:()*()=70解法三:()-()=3.5*11解法四:()/()=3.5
每支玫瑰花3.5元,李叔叔买11枝红玫瑰和一些黄玫瑰,一共花了70元,他买了多少支黄玫瑰?
解法一:()+()=70解法二:()*()=70解法三:()-()=3.5*11解法四:()/()=3.5
每支玫瑰花3.5元,李叔叔买11枝红玫瑰和一些黄玫瑰,一共花了70元,他买了多少支黄玫瑰?解法一:()+()=70解法二:()*()=70解法三:()-()=3.5*11解法四:()/()=3.5
70/3.5 - 11 = 9
设黄玫瑰为X
解法一:(3.5*11)+(3.5x)=70
解法二: (11+x)*3.5 =70
解法三: (70)-(3.5x)=3.5*11
解法四: (70)/ (11+x)=3.5
解得X为 9
答案就是他买了9枝黄玫瑰
小学数学?