Viết số thích hợp
a) 1,2,4,8, .............., .............., 64
b) 0,4,8,12,..............,................, 24
c) 20,21, ............
d) 10 001, 10 000, ............................
g) 511 657 000, 513 657 000, ........................ , 517 657 000
h) 123 452 246, 123 454 246, 123 456 246, ................, ......................
a, 16,32
b, 16,20
c, 22
d, 9999
g, 515 657 000
h, 123 458 246 , 123 460 246