找规律填数 4,11,32,( ),( ) 81,162,54,108,( ),( )
问题描述:
找规律填数 4,11,32,( ),( ) 81,162,54,108,( ),( )
第一个4,11,32,( ),( )第二个81,162,54,108,( ),( )
答
11=4×3-1
32=11×3-1
=32×3-1=95
=95×3-1=284
4,11,32,(95 ),(284 )
162=81×2
54=162÷3
108=54×2
=108÷3=36
=36×2=72
81,162,54,108,(36 ),(72 )