表达式7: "x" squared "y" cubed plus "x" "y" to the 4th power plus "x" minus "y" squared equals 0x2y3+xy4+x−y2=0
7
表达式8: "x" squared "y" to the 4th power plus "x" "y" to the 4th power plus "x" minus "y" to the 1st power equals 0x2y4+xy4+x−y1=0
8
表达式9: "x" plus "y" left parenthesis, negative "x" plus "y" , right parenthesis plus "y" left parenthesis, negative "x" plus "y" , right parenthesis to the 5th power equals 0x+y−x+y+y−x+y5=0
9
表达式10: "x" plus "y" squared left parenthesis, negative "x" plus "y" , right parenthesis to the 4th power plus "y" left parenthesis, negative "x" plus "y" , right parenthesis to the 4th power equals 0x+y2−x+y4+y−x+y4=0
10
表达式11: "y" to the 5th power left parenthesis, 1 minus "x" , right parenthesis to the 5th power plus "x" plus "y" minus "x" "y" equals 0y51−x5+x+y−xy=0
11
表达式12: "y" to the 4th power left parenthesis, 1 minus "x" "y" , right parenthesis to the 5th power plus "x" plus 1 minus "x" "y" equals 0y41−xy5+x+1−xy=0
12
表达式13: "y" to the 5th power left parenthesis, "x" minus 1 , right parenthesis to the 4th power plus "y" to the 4th power left parenthesis, "x" minus 1 , right parenthesis to the 4th power plus "x" equals 0y5x−14+y4x−14+x=0
13
表达式14: "y" to the 4th power left parenthesis, "x" "y" minus 1 , right parenthesis to the 4th power plus "y" cubed left parenthesis, "x" "y" minus 1 , right parenthesis to the 4th power plus "x" equals 0y4xy−14+y3xy−14+x=0
