表达式12: left parenthesis, "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesisx1,y1
12
表达式13: left parenthesis, "y" Subscript, 2 , Baseline , "x" Subscript, 2 , Baseline , right parenthesisy2,x2
13
表达式14: left parenthesis, left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "x" Subscript, 1 , Baseline plus "t" Subscript, 1 , Baseline "x" Subscript, 2 , Baseline , left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "y" Subscript, 1 , Baseline plus "t" Subscript, 1 , Baseline "y" Subscript, 2 , Baseline , right parenthesis1−t1x1+t1x2,1−t1y1+t1y2
14
表达式15: left parenthesis, left parenthesis, 1 minus "t" , right parenthesis "x" Subscript, 1 , Baseline plus "t" "x" Subscript, 2 , Baseline , left parenthesis, 1 minus "t" , right parenthesis "y" Subscript, 1 , Baseline plus "t" "y" Subscript, 2 , Baseline , right parenthesis1−tx1+tx2,1−ty1+ty2
15
表达式16: left parenthesis, left parenthesis, 1 minus "t" , right parenthesis "x" Subscript, 2 , Baseline plus "t" "x" Subscript, 3 , Baseline , left parenthesis, 1 minus "t" , right parenthesis "y" Subscript, 2 , Baseline plus "t" "y" Subscript, 3 , Baseline , right parenthesis1−tx2+tx3,1−ty2+ty3
16
表达式17: left parenthesis, left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "x" Subscript, 2 , Baseline plus "t" Subscript, 1 , Baseline "x" Subscript, 3 , Baseline , left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "y" Subscript, 2 , Baseline plus "t" Subscript, 1 , Baseline "y" Subscript, 3 , Baseline , right parenthesis1−t1x2+t1x3,1−t1y2+t1y3
17
表达式18: left parenthesis, left parenthesis, 1 minus "t" , right parenthesis "x" Subscript, 1 , Baseline plus "t" "x" Subscript, 3 , Baseline , left parenthesis, 1 minus "t" , right parenthesis "y" Subscript, 1 , Baseline plus "t" "y" Subscript, 3 , Baseline , right parenthesis1−tx1+tx3,1−ty1+ty3
18
表达式19: left parenthesis, left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "x" Subscript, 1 , Baseline plus "t" Subscript, 1 , Baseline "x" Subscript, 3 , Baseline , left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "y" Subscript, 1 , Baseline plus "t" Subscript, 1 , Baseline "y" Subscript, 3 , Baseline , right parenthesis1−t1x1+t1x3,1−t1y1+t1y3
19
表达式20: left parenthesis, left parenthesis, 1 minus "t" , right parenthesis "x" Subscript, 3 , Baseline plus "t" "y" Subscript, 1 , Baseline , left parenthesis, 1 minus "t" , right parenthesis "x" Subscript, 2 , Baseline plus "t" "y" Subscript, 3 , Baseline , right parenthesis1−tx3+ty1,1−tx2+ty3
20
表达式21: left parenthesis, left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "x" Subscript, 3 , Baseline plus "t" Subscript, 1 , Baseline "y" Subscript, 1 , Baseline , left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "x" Subscript, 2 , Baseline plus "t" Subscript, 1 , Baseline "y" Subscript, 3 , Baseline , right parenthesis1−t1x3+t1y1,1−t1x2+t1y3
21
表达式22: left parenthesis, "k" left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "x" Subscript, 3 , Baseline plus "t" Subscript, 1 , Baseline "y" Subscript, 1 , Baseline , "k" left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis "x" Subscript, 2 , Baseline plus "t" Subscript, 1 , Baseline "y" Subscript, 3 , Baseline , right parenthesisk1−t1x3+t1y1,k1−t1x2+t1y3
22
表达式23: "k" equals 1.0 5k=1.05
23
表达式24: left parenthesis, "k" left parenthesis, 1 minus "t" , right parenthesis "x" Subscript, 3 , Baseline plus "k" "t" "y" Subscript, 1 , Baseline , "k" left parenthesis, 1 minus "t" , right parenthesis "x" Subscript, 2 , Baseline plus "k" "t" "y" Subscript, 3 , Baseline , right parenthesisk1−tx3+kty1,k1−tx2+kty3
