找规律:1,3,5,7,26,/2,3,4,5,18./3,4,7,8,54./4,5,8,9,

问题描述:

找规律:1,3,5,7,26,/2,3,4,5,18./3,4,7,8,54./4,5,8,9,

1,3,5,7,26,
2,3,4,5,18.
3,4,7,8,54.
4,5,8,9,70

可以填50
1,3,5,7,26,
2,3,4,5,18.
3,4,7,8,54.
4,5,8,9,
规律为:
以上竖立看每一列,则满足中间两个数的和与第一与第四个数的和的规律为:
2+3=1+4-0
3+4=3+5-1
4+7=5+8-2
5+8=7+9-3
18+54=26+?-4得?=50