表达式144: left parenthesis, "x" plus 10 , right parenthesis squared positive left parenthesis, "y" minus 80 , right parenthesis squared equals 25x+102+y−802=25
144
表达式145: left parenthesis, "x" plus 20 , right parenthesis squared positive left parenthesis, "y" minus 80 , right parenthesis squared equals 25x+202+y−802=25
145
表达式146: left parenthesis, "x" plus 30 , right parenthesis squared positive left parenthesis, "y" minus 80 , right parenthesis squared equals 25x+302+y−802=25
146
表达式147: left parenthesis, "x" minus 10 , right parenthesis squared positive left parenthesis, "y" minus 80 , right parenthesis squared equals 25x−102+y−802=25
147
表达式148: left parenthesis, "x" minus 20 , right parenthesis squared positive left parenthesis, "y" minus 80 , right parenthesis squared equals 25x−202+y−802=25
148
表达式149: left parenthesis, "x" minus 30 , right parenthesis squared positive left parenthesis, "y" minus 80 , right parenthesis squared equals 25x−302+y−802=25
149
Chery
对学生隐藏该文件夹。
150
表达式151: "y" equals negative left parenthesis, "x" plus 4 , right parenthesis squared positive 132 left brace, negative 6 less than or equal to "x" less than or equal to 0 , right bracey=−x+42+132−6≤x≤0
151
表达式152: left parenthesis, "x" minus 3 , right parenthesis squared plus left parenthesis, "y" minus 110 , right parenthesis squared equals 49 left brace, 0 less than or equal to "x" , right brace left brace, "y" greater than or equal to 110 , right bracex−32+y−1102=490≤xy≥110
152
表达式153: left parenthesis, "x" plus 3 , right parenthesis squared plus left parenthesis, "y" minus 110 , right parenthesis squared equals 49 left brace, "x" less than or equal to 0 , right brace left brace, "y" greater than or equal to 110 , right bracex+32+y−1102=49x≤0y≥110
153
表达式154: "x" squared plus left parenthesis, "y" minus 110 , right parenthesis squared equals 100 left brace, "y" less than or equal to 110 , right bracex2+y−1102=100y≤110
