表达式18: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 380400−6x−12−3y−12−3y2=380
18
表达式19: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 390400−6x−12−3y−12−3y2=390
19
表达式20: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 395400−6x−12−3y−12−3y2=395
20
表达式21: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 398.4 9 9 9400−6x−12−3y−12−3y2=398.4999
21
表达式22: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 360.0400−6x−12−3y−12−3y2=360.0
22
表达式23: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 340.0400−6x−12−3y−12−3y2=340.0
23
表达式24: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 109.0400−6x−12−3y−12−3y2=109.0
24
隐藏 标签 left parenthesis, StartFraction, negative 4 Over StartRoot, 5 , EndRoot , EndFraction , StartFraction, negative 2 Over StartRoot, 5 , EndRoot , EndFraction , right parenthesis−45,−25
