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answer?
4公仔箱論壇! ]9 o" E- g* M* a4 \) r9 A
5 fingers with 4 gaps,
: T# |/ K0 W! q  x# L公仔箱論壇So, half of 5 fingers is 2 gaps (3 fingers)1 S: t; }5 D" C5 k( x! K
Then 10 fingers is 9 gaps
/ T! {, A( W3 v& G& z8 s1 ?And so, one-third of 10 fingers is 3 gaps (4 fingers)
4 ma.
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