数字推理3,4,6,9,( ),18
问题描述:
数字推理3,4,6,9,( ),18
答
3,4,6, 9(3×3),( 4×3=12),18(6×3)
答
13
答
3,4,6,9,( 13 ),18
3比4小1
4比6小2
6比9小3
9比13小4
13比18小5