1、1三升四年级数学练习(找规律填数)(1)7,11,15,19, ( ) ,;(2)1,4,3,6,5, ( ) , ( ) ,;(3)1,4,9,16, ( ) ,;(4)1,2,4,8,16, ( ) ,(5)11,3,8,3,5,3, ( ) , ( ) ; (6)15,6,13,7,11,8, ( ) , ( ) ; (7)2,5,14,41, ( ) ; (8)1,1,2,3,5,8,13,21, ( ) (9)3,8,18,33,53,78, ( ) ; (10)0,1,3,8,21, ( ) (11)09+ ( )=1; (12)19+ ( )=11; (13)129+ ( )=1
2、11; (14)1239+( )=( ) ; (15)12349+( )=( ) ; (16)123459+( )=( ) ; (17)1234569+( )=( ) ; (18)12345679+( )=( ) ; (19)123456789+( )=( ) (20)1234567899=1111111101; (21)12345678918=2222222202; (22)12345678927=3333333303; (24)12345678972=( ) ; (25)12345678963=( ) ; (26)666666660654=( ) ; (27)999999990981=(
3、) ; (28)5555555505123456789= ( ) ; (29)4444444404123456789= ( ) (30)2,4,8,16, ( ) ,64 2(31)1,4,9,16, ( ) ,36,4964(32)1,4,7,10,13, ( ) ,19,21 (33)1,4,16,64, ( ) ,1024,4096 (34)2,3,5,9,17, ( ) ,65,129 (35)15,4,13,4,11, 4, ( ) , ( ) (36)8,15,10,13,12,11, ( ) , ( ) (37)9999=2222;(38)9999=3333; (39)9999=4444; (40)9999=7777; (41)9999=9999