kai" dien~ dan` lop" minh buo^n` heo`
chac" fai thong bao cho ca lop" bik de? cug vao` chu"
kai" co cag tay ni g cug~ chua xem lai noi*
ma hom^ trc pan Tuan" map co bay cho g jo g van~ con nho"
co* cag tay gom^` co" 20 co* chia lam 2 khu:
-khu cang tay trc co 8 co chia lam 3 lop:
+lop ngoai cug co" 4 co*:co sa^p" tron,co gap co tay quay,co gan tay dai,co gap co tay tru
+lop giua~ co" 1 co la co gap cac ngon tay nog^
+lop trong cug co" 3 co:co gap cac ngon tay sau^,co sap^" vuong^,co gap" ngon cai" dai`
-khu cang tay sau co" 12 co chia lam 2 lop":
+lop ngoai co" 7 co:co canh tay quay,co duoi~ co? tay quay dai,co duoi~ co? tay quay ngan",co duoi~ cac" ngon",co duoi~ ngon" ut",co duoi~ co? tay tru,co khuyu?
+lop trong co" 5 co: co ngu*a?,dang ngon" cai dai`,duoi~ ngon cai" ngan",duoi~ ngon cai dai`,duoi~ ngon tro?