2019小學(xué)四年級數(shù)學(xué)找規(guī)律練習(xí):(六)
【習(xí)題】
先找出規(guī)律,然后在括號里填上適當(dāng)?shù)臄?shù)。
(1)1,6,5,10,9,14,13,(??? ),(??? )
。2)13,2,15,4,17,6,(??? ),(??? )
。3)3,29,4,28,6,26,9,23,(?? ),(?? ),18,14
。4)21,2,19,5,17,8,(?? ),(?? )
。5)32,20,29,18,26,16,(?? ),(?? ),20,12[來源:學(xué)科網(wǎng)ZXXK]
。6)2,9,6,10,18,11,54,(?? ),(?? ),13,486
(7)1,5,2,8,4,11,8,14,(?? ),(?? )
(8)320,1,160,3,80,9,40,27,(?? ),(?? )
【答案請看下一頁】