表达式22: "N" Subscript, 1 , Baseline equals "L" Subscript, 1 , Baseline plus "l" cosine left parenthesis, 90 minus "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesisN1=L1+lcos90−CBM−LBM
equals=
7.4 4 5 9 4 5 9 4 5 9 57.44594594595
22
表达式23: "N" Subscript, 2 , Baseline equals "L" Subscript, 2 , Baseline plus "l" sine left parenthesis, 90 minus "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesisN2=L2+lsin90−CBM−LBM
equals=
2.3 2 4 3 2 4 3 2 4 3 22.32432432432
23
表达式24: "P" Subscript, 1 , Baseline equals "l" cosine left parenthesis, 90 minus "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesisP1=lcos90−CBM−LBM
equals=
6.1 4 8 6 4 8 6 4 8 6 56.14864864865
24
表达式25: "P" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus "l" sine left parenthesis, 90 minus "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesisP2=B2+lsin90−CBM−LBM
equals=
6.1 0 8 1 0 8 1 0 8 1 16.10810810811
25
Graphs
对学生隐藏该文件夹。
26
表达式27: "y" less than 25y<25
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表达式28: polygon left parenthesis, "A" , "B" , "L" , "N" , "P" , "B" , "C" , "D" , right parenthesispolygonA,B,L,N,P,B,C,D
28
表达式29: polygon left parenthesis, "B" , "A" , "D" , "M" , "L" , "B" , "P" , "N" , "M" , "C" , right parenthesispolygonB,A,D,M,L,B,P,N,M,C
