1,6,7,12,13,( ),( )找规律填数

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 22:39:11
1,6,7,12,13,( ),( )找规律填数
x)3111414Pg^,oyϦnI*'F~ Z(h$AͲs -t -6n{fӮOvMyv(wGvZJ)`0S:6dWKH`|9}E3 [=z]O;ڞuL0z,ai2h&DH d* ҷcɓ^6}6cO3]f]S^_ 2,P`@BNj۟]tFF_ q7P

1,6,7,12,13,( ),( )找规律填数
1,6,7,12,13,( ),( )找规律填数

1,6,7,12,13,( ),( )找规律填数
1,6,7,12,13,( 19),(20 )

18,19
偶次加五,奇次加一

18、19

18 19

(18). (19)

1,6,7,12,13,(18 ),(19 )找规律填数

问题:1,6,7,12,13,( ),( )找规律填数
解:把这些数分成2组
(1)1,7,13,()
(2)6,12,()
这两个都是等差数列,
(1)应该是1,7,13,(19)
(2)应该是6,12,(18)
合起来就是1,6,7,12,13,18,19