如题所述
94-82=12,那就是B杯
参考链接:http://wenku.baidu.com/link?url=kziQJZ1_e44n0-rETvVvnLiY4gD6RMgUKeJjKqC4QpoXhuEfpHj58xlyxx3cFdDl8OKvbWXWJgKdIuwyXj1GoJI4OUGK6WeEeLkW9Yitavy