1、1學(xué)而思小學(xué)奧數(shù)知識(shí)點(diǎn)梳理學(xué)而思小學(xué)奧數(shù)知識(shí)點(diǎn)梳理一、計(jì)算.......................................................................................................................41、四則混合運(yùn)算繁分?jǐn)?shù)............................................................

2、...........................42、簡(jiǎn)便計(jì)算...........................................................................................................43、估算..........................................................................

3、.........................................54、比較大小...........................................................................................................55、定義新運(yùn)算.........................................................

4、..............................................66、特殊數(shù)列求和...................................................................................................67、大數(shù)計(jì)算：..........................................................

5、.............................................69、重復(fù)數(shù)字：324324324324=3241001001001.................................................610、頭同尾和十...................................................................................

6、..................611、452=2025..........................................................................................................612、71113=1001......................................................................

7、........................6373=111...............................................................................................................613、7的秘密：....................................................................

8、..................................614、位值原理：.....................................................................................................7二、數(shù)論.......................................................................

9、................................................71、奇偶性問(wèn)題.......................................................................................................72、位值原則......................................................

10、.....................................................73、數(shù)的整除特征：...............................................................................................74、整除性質(zhì).......................................................

11、....................................................75、帶余除法=.........................................................................................................731植樹問(wèn)題................................................

12、.........................................................172方陣問(wèn)題.........................................................................................................173列車過(guò)橋問(wèn)題..........................................

13、.......................................................184年齡問(wèn)題.........................................................................................................185雞兔同籠..............................................

14、...........................................................186牛吃草問(wèn)題.....................................................................................................187平均數(shù)問(wèn)題............................................

15、.........................................................188盈虧問(wèn)題.........................................................................................................189和差問(wèn)題............................................

16、.............................................................1810和倍問(wèn)題.......................................................................................................1811差倍問(wèn)題........................................

17、...............................................................1812逆推問(wèn)題.......................................................................................................1813代換問(wèn)題......................................

18、.................................................................19五、行程問(wèn)題.............................................................................................................191相遇問(wèn)題...............................

19、..........................................................................192追及問(wèn)題.........................................................................................................193流水行船...........................

20、..............................................................................194多次相遇.........................................................................................................195環(huán)形跑道.......................

21、..................................................................................196行程問(wèn)題中正反比例關(guān)系的應(yīng)用.................................................................197鐘面上的相遇與追及問(wèn)題。.........................................