99 số tính lun số 0 nhe em
Các số tự nhiên bé hơn 99 là:0;1;2;3;...;97;98 số các số tự nhien bé hơn 99 là : (99-0):1+1=100(số) Vậy có 100 số tự nhiên bé hơn 99.
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