问题
填空题
找规律填数.
①210020001900______
②784788792______.
答案
①2100-100=2000,2000-100=1900,所以1900-100=1800;
②784+4=788,788+4=792,所以792+4=796;
故答案为:188,796.
找规律填数.
①210020001900______
②784788792______.
①2100-100=2000,2000-100=1900,所以1900-100=1800;
②784+4=788,788+4=792,所以792+4=796;
故答案为:188,796.