观察以下数列,按规律写出括号内的正确数字:1,2,4,7,11,()
问题描述:
观察以下数列,按规律写出括号内的正确数字:1,2,4,7,11,()
A16
B12
C18
答
A1+1=2 2+2=4 4+3=7 7+4=11 11+5=16
观察以下数列,按规律写出括号内的正确数字:1,2,4,7,11,()
A16
B12
C18
A1+1=2 2+2=4 4+3=7 7+4=11 11+5=16