表达式18: "y" equals sine left parenthesis, "x" , right parenthesis plus 10 left brace, 29.5 less than or equal to "x" less than or equal to 40 , right bracey=sinx+1029.5≤x≤40
18
表达式19: "y" equals sine left parenthesis, "x" minus 73.5 minus StartFraction, 3 pi Over 2 , EndFraction , right parenthesis plus 10 left brace, 79 less than or equal to "x" less than or equal to 95 , right bracey=sinx−73.5−3π2+1079≤x≤95
19
表达式20: "y" equals sine left parenthesis, "x" minus 73.5 minus pi , right parenthesis plus 10.5 left brace, 95 less than or equal to "x" less than or equal to 98 , right bracey=sinx−73.5−π+10.595≤x≤98
20
T
对学生隐藏该文件夹。
21
表达式22: "y" equals sine left parenthesis, "x" , right parenthesis plus 10.5 left brace, 38 less than or equal to "x" less than or equal to 62.5 , right bracey=sinx+10.538≤x≤62.5
22
表达式23: "y" equals sine left parenthesis, "x" minus 73.5 minus StartFraction, 2 pi Over 3 , EndFraction , right parenthesis plus 10 left brace, 73.5 less than or equal to "x" less than or equal to 79 , right bracey=sinx−73.5−2π3+1073.5≤x≤79
23
表达式24: "y" equals sine left parenthesis, "x" minus 73.5 , right parenthesis plus 9.5 left brace, 84.5 less than or equal to "x" less than or equal to 95 , right bracey=sinx−73.5+9.584.5≤x≤95
24
表达式25: "y" equals sine left parenthesis, "x" minus 73.5 minus pi , right parenthesis plus 10 left brace, 95 less than or equal to "x" less than or equal to 98 , right bracey=sinx−73.5−π+1095≤x≤98
25
R
对学生隐藏该文件夹。
26
表达式27: "y" equals sine left parenthesis, "x" minus 65.5 , right parenthesis plus 9.5 left brace, 65.5 less than or equal to "x" less than or equal to 73.5 , right bracey=sinx−65.5+9.565.5≤x≤73.5
27
表达式28: "y" equals sine left parenthesis, "x" minus 73.5 minus StartFraction, 4 pi Over 3 , EndFraction , right parenthesis plus 10 left brace, 73.5 less than or equal to "x" less than or equal to 79 , right bracey=sinx−73.5−4π3+1073.5≤x≤79
28
表达式29: "y" equals sine left parenthesis, "x" minus 77 minus StartFraction, 3 pi Over 4 , EndFraction , right parenthesis plus 11 left brace, 88 less than or equal to "x" less than or equal to 95 , right bracey=sinx−77−3π4+1188≤x≤95
29
表达式30: "y" equals sine left parenthesis, "x" minus 73.5 minus pi , right parenthesis plus 9.5 left brace, 95 less than or equal to "x" less than or equal to 98 , right bracey=sinx−73.5−π+9.595≤x≤98
30
M
对学生隐藏该文件夹。
31
表达式32: "y" equals sine left parenthesis, "x" minus 73.5 , right parenthesis plus 10 left brace, 73.5 less than or equal to "x" less than or equal to 95 , right bracey=sinx−73.5+1073.5≤x≤95
32
表达式33: "y" equals sine left parenthesis, "x" minus 73.5 minus pi , right parenthesis plus 9 left brace, 95 less than or equal to "x" less than or equal to 98 , right bracey=sinx−73.5−π+995≤x≤98
