表达式30: "P" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus StartFraction, "B" Subscript, "K" , Baseline Over 17 , EndFraction left parenthesis, "C" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesisP1=B1+BK17C1−B1
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表达式31: "P" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus StartFraction, "B" Subscript, "K" , Baseline Over 17 , EndFraction left parenthesis, "C" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , right parenthesisP2=B2+BK17C2−B2
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Graphs
对学生隐藏该文件夹。
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表达式33: "y" less than 25y<25
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表达式34: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
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表达式35: left parenthesis, "L" Subscript, 1 , Baseline plus "R" cos "t" , "L" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisL1+Rcost,L2+Rsint
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表达式36: left parenthesis, "D" Subscript, 1 , Baseline plus StartFraction, cos 135 Over 2 , EndFraction , "D" Subscript, 2 , Baseline plus StartFraction, "t" sin 135 Over 2 , EndFraction , right parenthesisD1+cos1352,D2+tsin1352
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表达式37: left parenthesis, "D" Subscript, 1 , Baseline plus StartFraction, "t" cos 135 Over 2 , EndFraction , "D" Subscript, 2 , Baseline plus StartFraction, sin 135 Over 2 , EndFraction , right parenthesisD1+tcos1352,D2+sin1352
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表达式38: polygon left parenthesis, "A" , "K" , "M" , "K" , "B" , "C" , "D" , "L" , "P" , "L" , "D" , right parenthesispolygonA,K,M,K,B,C,D,L,P,L,D
