...4,7,8,10,16,13,32,___,___,19,128;(2)1,2,3,3,6,答:(1)13+3=16,32×2=64.数列为:1,2,4,4,7,8,10,16,13,32,16,64,19,128.(2)8-5=3,13=8=5,13+3+5=21.故数列为:1,2,3,3,6,5,8,15,13,21,21,28,34.故答案为:16;64;21;21.
在1,3,5,(),7,9中填什么数字使答案成立?答:1,3,5,(),7,9找规律填11。9+2=11;故答案为:11 1,3,5,7,9,...都是奇数(是单数)1+2=3,3+2=5,5+2=7.还有1,1,2,3,5,8,13,21.规律有1+1=2,1+2=3,2+3=5,3+5=8...1,2,4,8,16,32,64,128.规律是1*2=2,2*2=4,4*2=8.1,4,9,16,25,36,49,64。...