Find out the digital characteristics and remember the historical age;

(A) is to use the symmetry of these historical figures to remember. For example, the Battle of Feishui in 383 AD: 16 16, the establishment of the late Jin Dynasty; 18 18 Marx was born; 191954, etc. Deepen memory by overlapping numbers.

(2) is to find out the time law between historical events, so as to recall a series of historical years, such as the signing of the "Xin Chou Treaty", the outbreak of the Revolution of 1911, the establishment of the China * * * production party, "Nine. The time of the 18 event and the southern Anhui event are 190 1 year,191year, 192 1 year and/kloc-respectively.

(3) Chronology is memorized according to the natural ordinal number of chronology, such as the first, second and third time that China * * * produced the Party.

(4) Memory is based on the arrangement of some numbers, such as 1900 integer memory of Eight-Nation Alliance's invasion of China, 1234 increasing memory of natural ordinal number of Mongolian gold, and 1777 turning point of American War of Independence.