(3-3)÷27=0. (33-6)÷27=1.(333-9)÷27=12.(3333-12)÷27=123.问:发现怎样的规律?
问题描述:
(3-3)÷27=0. (33-6)÷27=1.(333-9)÷27=12.(3333-12)÷27=123.问:发现怎样的规律?
答
(3个数逐渐增加/3的个数乘以3)/27
(3-3)÷27=0. (33-6)÷27=1.(333-9)÷27=12.(3333-12)÷27=123.问:发现怎样的规律?
(3个数逐渐增加/3的个数乘以3)/27