2016二年級奧數(shù)題:按規(guī)律填數(shù)

字號:

(1)54321 43215 32154 ( ) 154321
    (2) 1,2,3(7) 2,3,4(14) 3,4,5()
    (3)1,4,7,10,( ),16,,( )
    (4)1,2,3,7,11,16,( ),29
    (5)2,5,4,5,6,5,( ),5
    (6)7,8,10,13,17,( )28