问题描述：
1.two pineapples=six apples2.three apples=four bananas3.two pineapples=?bananas
1.two pineapples=six apples2.three apples=four bananas3.two pineapples=?bananas
1.two pineapples=six apples2.three apples=four bananas3.two pineapples=?bananas
问题解答：
我来补答展开全文阅读