(1)1/12,1/6,1/3,,4/3,,.(2)27/64,9/16,3/4,,4/3,,.找规律填空
问题描述:
(1)1/12,1/6,1/3,,4/3,,.(2)27/64,9/16,3/4,,4/3,,.找规律填空
答
1/12X2=1/6,1/6X2=1/3,1/3X2=2/3,2/3X2=4/3
27/64X4/3=9/16,9/16X4/3=3/4,3/4X4/3=1,
1X4/3=4/3
答
1)1/12,1/6,1/3, 2/3 ,4/3, 8/3 前项×2
(2)27/64,9/16,3/4, 1 ,4/3 16/9 前项×4/3