论文部分内容阅读
小胖,我这里有一个苹果,你能在5分钟之内测出它的体积,这个苹果就给你吃。说话算数!5分钟后,小胖吃到了苹果。你知道他是怎么做的吗?下面为你揭晓答案。小胖找了一个圆柱形的大水杯。他在水杯中倒进了一些水,此时水面高度为10cm。接着他把苹果放进杯子中,苹果完全没入水面,水面上升了并且没有水溢出杯子。他又测量了一下水面的高度,此时为13cm。小胖已经量出杯子底面圆的半径为4cm,
Chubby, I have an apple here, you can measure its volume in 5 minutes, this apple gives you to eat. Speak count! 5 minutes later, chubby eat an apple. Do you know how he did it? Here’s the answer for you. Chubby looking for a large cylindrical glass. He poured some water into the glass, at which time the water surface was 10 cm high. Then he put the apple in the cup, the apple completely out of water, the water rose and no water spilled out of the cup. He measured the height of the water again, this time at 13 cm. Chub has measured the radius of the cup bottom circle 4cm,