<< 9000900190029003900490059006900790089009>>
<< 9000901090209030904090509060907090809090>>
<< 9000910092009300940095009600970098009900>>
<< 0100020003000400050006000700080009000>>
9000是介于8999与9001间的自然数。
<< 9000900190029003900490059006900790089009>>
<< 9000901090209030904090509060907090809090>>
<< 9000910092009300940095009600970098009900>>
<< 0100020003000400050006000700080009000>>
9000是介于8999与9001间的自然数。