수식 11: left parenthesis, "x" Subscript, 1 , Baseline "t" Subscript, 1 , Baseline plus "x" Subscript, 2 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis , "y" Subscript, 2 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus "y" Subscript, 1 , Baseline "t" Subscript, 1 , Baseline , right parenthesisx1t1+x21−t1,y21−t1+y1t1
11
수식 12: left parenthesis, "x" Subscript, 1 , Baseline "t" plus "x" Subscript, 2 , Baseline left parenthesis, 1 minus "t" , right parenthesis , "y" Subscript, 2 , Baseline left parenthesis, 1 minus "t" , right parenthesis plus "y" Subscript, 1 , Baseline "t" , right parenthesisx1t+x21−t,y21−t+y1t
12
수식 13: left parenthesis, "x" Subscript, 3 , Baseline "t" plus "x" Subscript, 1 , Baseline left parenthesis, 1 minus "t" , right parenthesis , "y" Subscript, 1 , Baseline left parenthesis, 1 minus "t" , right parenthesis plus "y" Subscript, 3 , Baseline "t" , right parenthesisx3t+x11−t,y11−t+y3t
13
수식 14: left parenthesis, "x" Subscript, 1 , Baseline "t" Subscript, 1 , Baseline plus "x" Subscript, 3 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis , "y" Subscript, 3 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus "y" Subscript, 1 , Baseline "t" Subscript, 1 , Baseline , right parenthesisx1t1+x31−t1,y31−t1+y1t1
14
수식 15: left parenthesis, "x" Subscript, 3 , Baseline "t" Subscript, 1 , Baseline plus "x" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis , "y" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus "y" Subscript, 3 , Baseline "t" Subscript, 1 , Baseline , right parenthesisx3t1+x11−t1,y11−t1+y3t1
15
수식 16: left parenthesis, "x" Subscript, 2 , Baseline "t" Subscript, 1 , Baseline plus "x" Subscript, 3 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis , "y" Subscript, 3 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus "y" Subscript, 2 , Baseline "t" Subscript, 1 , Baseline , right parenthesisx2t1+x31−t1,y31−t1+y2t1
16
수식 17: left parenthesis, "x" Subscript, 2 , Baseline "t" plus "x" Subscript, 3 , Baseline left parenthesis, 1 minus "t" , right parenthesis , "y" Subscript, 3 , Baseline left parenthesis, 1 minus "t" , right parenthesis plus "y" Subscript, 2 , Baseline "t" , right parenthesisx2t+x31−t,y31−t+y2t