别客与l燕『-口沐谬}一沪._一」-泌派哪穿全_币刃门厂函数是现代数学的根基之一。经常在两土看到的目动售货机是函数的好例子。 当我们投入固定的金钱之后,压下固定的按钮,便会出来固定的物品。像这种一样东西和另一样东西互相对应的关系,就称之为“函数”。自动售货机是函数 Do not guest and l yan 『- mouth 谬 一 一 a Shanghai. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ one of the foundation of modern mathematics. The vending machines that are often seen on both soils are good examples of functions. When we put in a fixed amount of money, we press a fixed button and we will come out with a fixed item. The relationship between something like this and another thing is called a “function.” Vending machine is a function