• 2022-05-31
    一个消费者宣称,其早饭每吃一个馒头要喝一杯豆浆,如果给他的馒头个数多于豆浆的杯数,他将不吃多余的馒头,如果给他的馒头少于豆浆的杯数,他将不喝多余的豆浆,则