j*r
1 楼
遇到了这么一个题目,很confused。希望有知道的帮助一下。
Under a certain situation, apple costs 10 cents each, banana costs 15 cents
each, grapefruit costs 20 cents each. How much is a pear?
Under a certain situation, apple costs 10 cents each, banana costs 15 cents
each, grapefruit costs 20 cents each. How much is a pear?