2011-9-29 19:21:33今天江老师教我们“56-18”怎么算,其实我早就会啦。可是江老师这节课讲了一个有趣的故事,所以我就认真听了。江老师说:“56个位上是6,十位上是5,它们就像是住在一起的邻居。个位6表示6个一,比较穷一点;十位5表示5个十,比较富一点。有一天,个位6欠了别人钱,欠了多少呢?欠了8个一,别人来找它要钱了,可是个位只有6个一,不够还8个一,怎么办?你们说呢?”江老师说到这里,停下来看看我们,我们的小脑袋就都认真地想 2011-9-29 19:21:33 Today, Jiang taught us “56-18 ” how to count, in fact, I will have long ago. However, Jiang taught this class an interesting story, so I listened attentively. Teacher Jiang said: “The 56th place is 6, the 10th place is 5, and they are like the neighbors who live together. The 6th place means 6th place, the poorer place; the 10th place means 5th place and 10th place. One day, a bit of six owe someone else’s money owed how much? Owed eight one, others come to find it for money, but a bit only six one, not enough also eight one, how to do? What are you saying? ”Teacher Jiang said here, stop and look at us, and our little heads think seriously