2019小學(xué)四年級數(shù)學(xué)找規(guī)律練習(xí):(四)
【習(xí)題】
先找出下列數(shù)排列的規(guī)律,然后在括號里填上適當(dāng)?shù)臄?shù)。
(1)10,11,13,16,20,(??? ),31
。2)1,4,9,16,25,(??? ),49,64
。3)3,2,5,2,7,2,(??? ),(??? ),11,2
(4)53,44,36,29,(??? ),18,(??? ),11,9,8
。5)81,64,49,36,(??? ),16,(??? ),4,1,0
。6)28,1,26,1,24,1,(??? ),(??? ),20,1
。7)30,2,26,2,22,2,(??? ),(??? ),14,2
。8)1,6,4,8,7,10,(??? ),(??? ),13,14
【答案請看下一頁】