表达式17: StartFraction, "C" Subscript, 1 , Baseline minus "L" Subscript, 1 , Baseline Over "C" Subscript, 2 , Baseline , EndFraction equals StartFraction, "C" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline Over "C" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , EndFractionC1−L1C2=C1−B1C2−B2
17
表达式18: "L" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline minus StartFraction, "C" Subscript, 2 , Baseline left parenthesis, "C" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis Over "C" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , EndFractionL1=C1−C2C1−B1C2−B2
equals=
negative 5.5 9 3 3 3 3 3 3 3 3 3−5.59333333333
18
表达式19: "M" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus StartFraction, "B" Subscript, 2 , Baseline Over "B" Subscript, 2 , Baseline plus "C" Subscript, 2 , Baseline , EndFraction left parenthesis, "C" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesisM1=A1+B2B2+C2C1−A1
equals=
2.3 9 7 1 4 2 8 5 7 1 42.39714285714
19
表达式20: "M" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline plus StartFraction, "B" Subscript, 2 , Baseline Over "B" Subscript, 2 , Baseline plus "C" Subscript, 2 , Baseline , EndFraction left parenthesis, "C" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baseline , right parenthesisM2=A2+B2B2+C2C2−A2
equals=
44
20
表达式21: "N" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline minus "R"N1=D1−R
equals=
4.2 9 1 9 3 7 4 6 8 2 24.29193746822
21
表达式22: "N" Subscript, 2 , Baseline equals "R"N2=R
equals=
4.0 9 8 0 6 2 5 3 1 7 84.09806253178
22
Graphs
对学生隐藏该文件夹。
23
表达式24: "y" less than 25y<25
24
表达式25: left parenthesis, "M" Subscript, 1 , Baseline , "M" Subscript, 2 , Baseline minus 4 "t" , right parenthesisM1,M2−4t
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
25
表达式26: left parenthesis, "N" Subscript, 1 , Baseline plus "R" cos "t" , "N" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisN1+Rcost,N2+Rsint
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 360360
26
表达式27: polygon left parenthesis, "L" , "B" , "C" , "A" , "B" , "D" , "B" , "C" , "D" , right parenthesispolygonL,B,C,A,B,D,B,C,D
27
表达式28: left parenthesis, "M" Subscript, 1 , Baseline plus "M" Subscript, 2 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "M" Subscript, 2 , Baseline sin "t" , right parenthesisM1+M2cost,M2+M2sint
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
