表达式15: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesisy=m2x−C1
15
表达式16: "m" Subscript, 1 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis plus "A" Subscript, 2 , Baseline equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesism1x−A1+A2=m2x−C1
16
表达式17: "B" Subscript, 1 , Baseline equals StartFraction, "m" Subscript, 1 , Baseline "A" Subscript, 1 , Baseline minus "A" Subscript, 2 , Baseline minus "m" Subscript, 2 , Baseline "C" Subscript, 1 , Baseline Over "m" Subscript, 1 , Baseline minus "m" Subscript, 2 , Baseline , EndFractionB1=m1A1−A2−m2C1m1−m2
equals=
1.7 3 2 0 5 0 8 0 7 5 71.73205080757
17
表达式18: "B" Subscript, 2 , Baseline equals "m" Subscript, 2 , Baseline left parenthesis, "B" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesisB2=m2B1−C1
