找規(guī)律填數(shù)練習(xí)題

......找規(guī)律填數(shù)練習(xí)題.仔細(xì)觀察每一排數(shù)的排列有什么規(guī)律，然后按規(guī)律在( )內(nèi)填上適當(dāng)?shù)臄?shù).2, 4, 8, 16,( ),64.1, 4, 9, 16,( ),36,49.64.1, 4, 7, 10,13, (),19,21.1, 4, 16,64,( ),1024,4096.2, 3, 5, 9,17, (),65,129.15,4,13,4,11,4,(),().⑺8,15,10,13,12,11,(),()..空格里應(yīng)填什么數(shù)？3.找規(guī)律填數(shù).1469

43121612()()()(K)4.在。中填數(shù)：已知9999+9=1111,想一想：在。中填上什么數(shù)字，才能使下面的等式成立？09990+9=2222;09990+9=3333;09990+9=4444;09990+9=7777;09990+9=9999.例1.找規(guī)律填數(shù)。27,6,23,6,19,6,15,6,(),()2,3,5,8,12,(),()18,4,15,8,12,12,9,16,(),()針對(duì)練習(xí)：找規(guī)律填數(shù)。21,5,18,5,15,5,(),()1,2,4,2,7,2,10,(),()37,4,29,4,21,4,(),()1,3,7,13,21,(),()51,42,34,27,(),()63,48,35,24,(),()例2.仔細(xì)觀察，找出規(guī)律，并根據(jù)規(guī)律在括號(hào)里填上合適的數(shù)。(1)1,2,4,8,16,(),()(2)128,64,32,16,(),()(2)128,64,32,16,(),()....(2)128,64,32,16,(),()(2)128,64,32,16,(),()....針對(duì)練習(xí)：找出規(guī)律，并根據(jù)規(guī)律在括號(hào)里填上合適的數(shù)。2,4,8,16,()81,27,9,3,()2,8,32,128,()64,32,16,8,()3125,625,125,25,( )例3.找出各組數(shù)間的規(guī)律，在橫線上填上合適的數(shù)。(5,20),(6,19),(8,17),(10,—)(25,15),(37,27),(83,73)，(—,25)(1,60),(2,30),(3,20),(4,—)(6)(59,41),(37,63),(81,19),(29,—)(6)(59,41),(37,63),(81,19),(29,—)......針對(duì)練習(xí)：找規(guī)律填數(shù)。(13,27),(25,15),(20,—)(7,43),(37,13),(—,26)(34,16),(78,60),(54,—)(1,72),(2,36),(3,24),(4,—)課后作業(yè)：根據(jù)規(guī)律，把所缺的數(shù)填寫出來(lái)。321,79,421,82,521,85,( ),( )8255,1124,8155,1224,8055,1324,( ),( )4,5,9,14,23,(),()3,5,7,15,27,49,(),()2,5,14,41,()