2019小學四年級數學找規律練習:(六)
【習題】
先找出規律,然后在括號里填上適當的數。
(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:學科網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】