表达式26: "N" Subscript, 1 , Baseline equals StartFraction, "B" Subscript, 1 , Baseline plus "D" Subscript, 1 , Baseline Over 2 , EndFractionN1=B1+D12
equals=
negative 1.5−1.5
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表达式27: "N" Subscript, 2 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline plus "D" Subscript, 2 , Baseline Over 2 , EndFractionN2=B2+D22
equals=
2.5 9 8 0 7 6 2 1 1 3 52.59807621135
27
Graphs
对学生隐藏该文件夹。
28
表达式29: "y" less than 40y<40
29
表达式30: polygon left parenthesis, "A" , "F" , "E" , "D" , "N" , right parenthesispolygonA,F,E,D,N
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表达式31: polygon left parenthesis, "A" , "M" , "A" , "N" , "A" , "B" , "D" , "M" , "D" , "B" , "C" , "F" , "C" , "D" , "E" , "F" , right parenthesispolygonA,M,A,N,A,B,D,M,D,B,C,F,C,D,E,F
31
表达式32: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesisM1+R1cost,M2+R1sint
定义域t最小值： tangent to the negative 1st power StartFraction, "A" Subscript, 2 , Baseline minus "M" Subscript, 2 , Baseline Over "A" Subscript, 1 , Baseline minus "M" Subscript, 1 , Baseline , EndFractiontan−1A2−M2A1−M1
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 180 minus tangent to the negative 1st power StartFraction, "A" Subscript, 2 , Baseline minus "M" Subscript, 2 , Baseline Over "A" Subscript, 1 , Baseline minus "M" Subscript, 1 , Baseline , EndFraction180−tan−1A2−M2A1−M1
32
表达式33: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesisRcost,Rsint
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
