[Eunjung] (Uhhhh...) (Number Nine) [Hyomin] Dangsin eun nal neomu apeuge man haneyo Byeoli bitna deon geuddae uril gieok haeyo [Eunjung] Nae mameul gajyeo kanyal miun geu saram Itjanhayo Na jigeum...

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DR. JAMES GRIME: So I've got a very big number to show you today used by NatWest Bank so that you can send them your secret bank details. It starts 2 3 4 5 3 6 7 6 2 8-- [MULTIPLE CLIPS OF...
DR. JAMES GRIME: So we're going to do a little mathematical trick that I'm hoping that people will like and they'll try out on their friends and family. So let's do it....