-8-98-998-9998-99998

分类: 作业答案 • 2021-12-29 16:54:10

问题描述：

答

-8-98-998-9998-99998
=(2-10)+(2-100)+(2-1000)+(2-10000)+(2-100000)
=10-10-100-1000-10000-100000
=-111100