一共可以买30÷4=7瓶......2元可以买7瓶,还剩2元.回答完毕~有疑问请追孝盯羡问,我一定尽快回复你~无疑问请点击【采纳】,同时预祝学习进步~\(^o^)/~我则局不巧拍是学霸,叫我赌神~\(^o^)/~~\(^o^)/~~\(^o^)/~~\(^o^)/~
7瓶 剩2元