表达式11: StartFraction, "a" plus "b" Over 2 , EndFractiona+b2
equals=
negative 0.0 1 0 7 5 7 7 1 7 4 9 3−0.010757717493
11
表达式12: "A" equals StartFraction, "m" Subscript, 1 , Baseline minus "m" Subscript, 2 , Baseline Over 2 left parenthesis, "a" minus "b" , right parenthesis , EndFractionA=m1−m22a−b
equals=
negative 0.3 4 5 3 1 8 0 4 3 0 9 1−0.345318043091
12
表达式13: "f" left parenthesis, "x" , right parenthesis equals "A" "x" squared plus "B" "x" plus "C"fx=Ax2+Bx+C
13
表达式14: "B" equals "m" Subscript, 2 , Baseline minus 2 "A" "b"B=m2−2Ab
equals=
negative 1.7 3 2 4 2 9 6 6 7 9 1−1.73242966791
14
表达式15: "C" equals "m" Subscript, 1 , Baseline left parenthesis, "a" , right parenthesis plus "b" Subscript, 1 , Baseline minus "A" "a" squared minus "B" "a"C=m1a+b1−Aa2−Ba
equals=
negative 25.8 7 0 6 6 4 9 6 3 1−25.8706649631
15
表达式16: "f" left parenthesis, "x" , right parenthesis minus "L" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesisfx−L1x
16
表达式17: "f" left parenthesis, "x" , right parenthesis minus "L" Subscript, 2 , Baseline left parenthesis, "x" , right parenthesisfx−L2x
17
表达式18: "x" equals negative 2.8x=−2.8
negative 10−10
1010
18
表达式19: left parenthesis, StartRoot, "A" , EndRoot "x" plus StartRoot, "C" minus "b" Subscript, 2 , Baseline , EndRoot , right parenthesis squaredAx+C−b22
