(5-5)/45=0 (55-10)/45=0 (555-15)/45=12 (5555-20)/45=123 (55555-25)/45=1234 以此类推 举一组这样的例
问题描述:
(5-5)/45=0 (55-10)/45=0 (555-15)/45=12 (5555-20)/45=123 (55555-25)/45=1234 以此类推 举一组这样的例
答
(3-3)/27=0
(33-6)/27=1
(333-9)/27=12
(3333-12)/27=123
(33333-15)/27=1234