5个数字3个为一组有多少组数学

简介：However, there are always a few who are gibbering, either saying that there is not enough water, or resenting the fact that the prince has to pay back the grain given by the palace. Some even say that it is hard to be a good citizen, so it is better to work as a tenant for a noble family, so that no matter how hard it is, the harvest will be guaranteed despite droughts and floods.