表达式3: "y" equals 12 plus left parenthesis, StartFraction, left parenthesis, "x" plus "x" Subscript, 1 , Baseline minus 1 , right parenthesis Over "x" Subscript, 2 , Baseline minus 1 , EndFraction , right parenthesis to the 1st power left parenthesis, 560 , right parenthesisy=12+x+x1−1x2−11560
3
表达式4: "x" equals 60x=60
11
100100
4
表达式5: "x" Subscript, 1 , Baseline equals 3x1=3
00
66
5
表达式6: "x" Subscript, 2 , Baseline equals 100x2=100
