4
' y7 K; G0 Y. ]公仔箱論壇5 fingers with 4 gaps,
# J( P. s2 r- e# R9 v1 X, \- YSo, half of 5 fingers is 2 gaps (3 fingers)4 j; h- T% D! x. M
Then 10 fingers is 9 gaps
/ w3 O* g) Q9 }8 R& Q. b" atvb now,tvbnow,bttvbAnd so, one-third of 10 fingers is 3 gaps (4 fingers) |