式18: left parenthesis, "x" minus "z" , right parenthesis squared plus left parenthesis, "y" minus 1.3 , right parenthesis squared equals "i" left parenthesis, 0.3 , right parenthesis left brace, negative 4.7 less than "x" , right brace left brace, "y" less than 1.5 , right bracex−z2+y−1.32=i0.3−4.7<xy<1.5
18
式19: "z" equals negative 4.7z=−4.7
negative 10−10
1010
19
式20: "i" equals 0.3i=0.3
negative 10−10
1010
20
式21: "y" equals negative .1 1 "x" left brace, negative 4.6 0 1 less than "x" less than negative 2.6 8 , right bracey=−.11x−4.601<x<−2.68
21
式22: "y" equals .3 "x" plus 1.1 left brace, negative 2.6 8 3 less than "x" less than negative 1.9 9 , right bracey=.3x+1.1−2.683<x<−1.99
22
式23: "y" equals negative 9 "x" minus 38.7 left brace, .4 7 9 greater than "y" greater than 0 , right bracey=−9x−38.7.479>y>0
23
式24: "y" equals negative .1 1 "x" minus .4 7 left brace, negative 1.3 0 5 greater than "x" greater than negative 4.3 , right bracey=−.11x−.47−1.305>x>−4.3
24
式25: StartFraction, left parenthesis, "x" minus "l" , right parenthesis squared Over "n" , EndFraction plus StartFraction, left parenthesis, "y" minus "q" , right parenthesis squared Over "m" , EndFraction equals "V" left brace, negative 1.3 1 3 less than "x" , right brace left brace, "y" greater than negative 1.6 , right bracex−l2n+y−q2m=V−1.313<xy>−1.6
25
式26: "l" equals negative 1.2l=−1.2
negative 10−10
1010
26
式27: "n" equals 0.7n=0.7
negative 10−10
1010
27
式28: "q" equals negative 1.9q=−1.9
negative 10−10
1010
28
式29: "m" equals 2.8m=2.8
negative 10−10
1010
29
式30: "V" equals 0.9V=0.9
negative 10−10
1010
30
式31: "y" equals 3 "x" plus 4.7 left brace, 3.0 5 8 8 less than "y" , right brace left brace, 0 greater than "x" , right bracey=3x+4.73.0588<y0>x
31
式32: "y" equals negative 3 "x" plus 4.7 left brace, 0 less than "x" , right brace left brace, 3 less than "y" , right bracey=−3x+4.70<x3<y
32
式33: "y" equals 3 "x" plus 1.8 left brace, 3.2 4 less than "y" , right brace left brace, .9 5 9 greater than "x" , right bracey=3x+1.83.24<y.959>x
33
式34: "y" equals negative 5 "x" plus 9.4 7 1 9 left brace, 4.6 7 7 greater than "y" greater than negative 1.4 9 2 , right bracey=−5x+9.47194.677>y>−1.492
34
式35: "y" equals StartRoot, "x" minus 1.3 , EndRoot minus 1.3 left brace, 1.9 8 8 greater than "x" , right bracey=x−1.3−1.31.988>x