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什么是数学中的染色问题?让我们从《红楼梦》中的一个谜语说起.贾母与孙儿、孙女们猜谜取乐.贾迎春制作一首灯谜,谜面是:天运人功理不穷,有功无运也难逢.因何镇日纷纷乱,只为阴阳数不通.这个谜语的谜底是“算盘”.为什么在这个谜语中把数的运算和“阴阳”联系在一起呢?原来我国
What is the dyeing problem in mathematics? Let’s start with a riddle in “Dream of Red Mansions.” Jia mother and grandchildren are guessing for fun. Jia Yingchun makes a lantern riddle. The mystery is: It is also difficult to have merits and no good fortune. Since He Zhenzhen has chaotic days, it is impossible for yin and yang to be counted. The answer to this riddle is “Abacus.” Why is it that in this riddle, the operation of number is linked to “Yin and Yang”?