表达式36: "m" Subscript, 1 , Baseline "x" plus 7 equals "x" minus "R"m1x+7=x−R
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表达式37: "N" Subscript, 1 , Baseline equals StartFraction, negative "R" minus 7 Over "m" Subscript, 1 , Baseline minus 1 , EndFractionN1=−R−7m1−1
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表达式38: "N" Subscript, 2 , Baseline equals "N" Subscript, 1 , Baseline minus "R"N2=N1−R
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Graphs
对学生隐藏该文件夹。
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表达式40: "y" less than 25y<25
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表达式41: polygon left parenthesis, "G" , "H" , "N" , "L" , right parenthesispolygonG,H,N,L
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表达式42: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+Rsint
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表达式43: polygon left parenthesis, "A" , "K" , "J" , "K" , "B" , "C" , "D" , "E" , "F" , "G" , "H" , "E" , right parenthesispolygonA,K,J,K,B,C,D,E,F,G,H,E
