找规律填数 7 3.5 1.75 ( ) ( ) 0.21875 6.25 2.5 1.9 1 ( ) ( ) 0.064
问题描述:
找规律填数 7 3.5 1.75 ( ) ( ) 0.21875 6.25 2.5 1.9 1 ( ) ( ) 0.064
答
7/2=3.5
3.5/2=1.75
1.75/2=0.875
0.875/2=0.4375
0.4375/2=0.21875
6.25/2.5=2.5
2.5/2.5=1
1/2.5=0.4
0.4/2.5=0.16
0.16/2.5=0.064