按规律填数:1,3,7,15,31,(),127.A.88B.1C.63D.112
更新时间:2026-10-01 18:06:44
问题描述:
按规律填数:1,3,7,15,31,(),127.
A.88
B.1
C.63
D.112
高新贺回答:
31×2+1, =62+1, =63; 要填的数是63. 故选:C.
按规律填数:1,3,7,15,31,(),127.
A.88
B.1
C.63
D.112
31×2+1, =62+1, =63; 要填的数是63. 故选:C.