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Dyfyniad Arddull ChicagoDemi. One Grain of Rice: A Mathematical Folktale. New York: Scholastic Press, 1997.
Dyfyniad MLADemi. One Grain of Rice: A Mathematical Folktale. Scholastic Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.