Nay mb của mình thế này có ổn không bạn hiền ?? (28 sô)
13,14,15,16,17,18,20,21,22,23,24,25,26,27,28,29,70,71,72,73,74,75,76,79,82,83,84,97
(6 7 số)
021,022,023,024,025,026,027,028,029,079,084,121,122,123,124,125,126,127,128,129,179,184,221,222,223,224,225,226,227,228,229,321,322,323,324,325,326,327,328,329,379,384,397,421,422,423,424,425,426,427,428,429,479,484,621,622,623,624,625,626,627,628,629,779,784,984,997
( 3 6 số)( 3 * 3 * 4 số)
4433,4453,4473,4493,4533,4553,4573,4593,4933,4953,4973,4993,5433,5453,5473,5493,5533,5553,5573,5593,5933,5953,5973,5993,9433,9453,9473,9493,9533,9553,9573,9593,9933,9953,9973,9993