Thực đơn
0,999...Thực đơn
0,999...Liên quan
0,999...Tài liệu tham khảo
WikiPedia: 0,999... http://mathcentral.uregina.ca/QQ/database/QQ.09.00... http://descmath.com/diag/nines.html http://books.google.com/books?vid=LCCN02026287&pg=... http://citeseer.ist.psu.edu/berz92automatic.html http://www.wou.edu/~wardm/FromMonthlyMay2004.pdf http://www.newton.dep.anl.gov/askasci/math99/math9... http://www.cut-the-knot.org/arithmetic/999999.shtm... //dx.doi.org/10.1007%2Fs10649-005-0473-0 //dx.doi.org/10.2307%2F2309468 //dx.doi.org/10.2307%2F4145268