表达式7: "x" squared plus "y" squared equals 1x2+y2=1
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表达式8: left parenthesis, cos left parenthesis, "u" , right parenthesis , right parenthesis "x" plus left parenthesis, sin left parenthesis, "u" , right parenthesis plus 2 , right parenthesis "y" equals 1 plus 2sine left parenthesis, "u" , right parenthesiscosux+sinu+2y=1+2sinu
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隐藏 标签 left parenthesis, 0 , 2 , right parenthesis0,2
标签
9
表达式10: StartFraction, "x" squared Over 3 , EndFraction minus "y" squared greater than or equal to negative 1x23−y2≥−1
