找规律填数字0.1.4.15.64.()
问题描述:
找规律填数字0.1.4.15.64.()
答
(0+1)*1; (1+1)*2=4; (4+1)*3=15; (15+1)*4=64; (64+1)*5=325;
找规律填数字0.1.4.15.64.()
(0+1)*1; (1+1)*2=4; (4+1)*3=15; (15+1)*4=64; (64+1)*5=325;