问题
填空题
计算:112=______,1112=______,11112=______,111111112=______.
答案
112=121,1112=12321,11112=1234321,111111112=123456787654321.
计算:112=______,1112=______,11112=______,111111112=______.
112=121,1112=12321,11112=1234321,111111112=123456787654321.